At the A1 level, you should understand 'rígido' as a basic word to describe things that are hard and do not bend. Think of it like a rock or a metal bar. It is the opposite of 'mole' (soft) or 'flexível' (flexible). You might use it in very simple sentences to describe toys, furniture, or simple materials. At this stage, don't worry too much about the metaphorical meanings. Just focus on the physical objects. For example, 'A mesa é rígida' (The table is rigid). Remember that if the object is feminine, like 'cadeira' (chair), you must say 'rígida'. This is a good word to start practicing your adjective agreements. You will mostly encounter it in simple descriptions of physical properties. It is a 'cognate', meaning it looks and sounds like the English word 'rigid', which makes it easier to remember. However, be careful with the pronunciation: the 'í' is strong. Practice saying 'RÍ-gi-do' clearly. This word helps you build a foundation for describing the world around you in a more precise way than just using 'bom' (good) or 'mau' (bad).
At the A2 level, you begin to use 'rígido' to describe not just physical objects, but also simple rules and people's behavior. You might talk about a 'professor rígido' (strict teacher) or a 'dieta rígida' (strict diet). You should be able to use it to describe your daily routine or school environment. For example, 'Minha escola tem um horário rígido' (My school has a rigid schedule). This level is where you start to see the word in common phrases and simple news stories. You should be comfortable changing the word to 'rígida', 'rígidos', or 'rígidas' depending on the noun. You are also learning to distinguish between 'ser rígido' (being inherently strict) and 'estar rígido' (being temporarily stiff, like after exercise). This distinction is very important in Portuguese. If you say 'Eu estou rígido', it sounds like you have muscle pain. If you say 'Eu sou rígido', it sounds like you are a very strict person. Understanding this difference will help you avoid confusion in daily conversations.
By the B1 level, you can use 'rígido' to discuss more complex social and professional topics. You might describe a 'sistema político rígido' (rigid political system) or a 'hierarquia rígida' (rigid hierarchy) in a company. You are expected to use the word in more nuanced ways, perhaps contrasting it with words like 'maleável' (malleable) or 'compreensivo' (understanding). You can use it to express opinions about laws or social norms. For instance, 'Eu acho que as leis de trânsito deveriam ser mais rígidas' (I think traffic laws should be stricter). You will also encounter 'rígido' in more formal writing, such as in business emails or newspaper articles. You should be able to understand the word when it is used as part of a larger technical description, such as in a doctor's explanation of a physical condition. Your vocabulary is expanding, and 'rígido' becomes a tool for providing specific detail about the nature of constraints, whether they are physical, legal, or social.
At the B2 level, you should have a firm grasp of the various connotations of 'rígido'. You can use it to analyze characters in literature or discuss the rigidity of certain scientific theories. You understand that 'rígido' can imply a lack of adaptability that might be detrimental in a fast-changing world. You might use it in a debate about education: 'Um currículo muito rígido pode sufocar a criatividade dos alunos' (A very rigid curriculum can stifle students' creativity). You are also familiar with related words like 'rigidez' (noun) and 'rigidamente' (adverb). Your ability to use the word accurately in formal presentations or academic essays is expected. You can differentiate between 'rígido', 'austero', and 'severo' based on the context. For example, you would know that 'austero' is better for describing a simple, disciplined lifestyle, while 'rígido' is better for describing the rules of that lifestyle. You are moving beyond simple descriptions into the realm of analysis and critical thinking using this vocabulary.
At the C1 level, your use of 'rígido' is sophisticated and precise. You use it to describe subtle abstract concepts, such as 'pensamento rígido' (rigid thinking) or 'estruturas linguísticas rígidas' (rigid linguistic structures). You can appreciate the word's use in high-level literature and philosophy, where it might be used to describe the unyielding nature of fate or the strictures of social class. You are comfortable using the word in idiomatic expressions and can play with its meaning for rhetorical effect. You might use it to critique a legal judgment or a scientific methodology, discussing the 'rigidez metodológica' (methodological rigidity) of a study. Your understanding of the word includes its historical development and its relationship to other Latin-based languages. You can use 'rígido' to provide deep, descriptive texture to your writing and speaking, showing a mastery of the language's nuances and a high degree of control over your expressive range.
At the C2 level, 'rígido' is a word you use with the ease and precision of a native speaker. You can use it in highly specialized contexts, such as describing the 'rigidez cadavérica' in a forensic report or the 'corpo rígido' in a physics lecture on mechanics. You understand the most subtle shades of meaning, including when the word is used ironically or sarcastically. You can discuss the evolution of the word from its Latin roots and how its usage has changed over centuries of Portuguese literature. In your own writing, you use 'rígido' to create specific moods or to highlight the contrast between the fluid and the fixed. You are aware of how the word is used across different dialects of Portuguese, from Lisbon to Luanda to São Paulo, and you can adapt your usage accordingly. At this level, 'rígido' is not just a vocabulary word; it is a versatile instrument in your linguistic repertoire, used to convey complex ideas with absolute clarity and stylistic flair.

rígido in 30 Seconds

  • Rígido describes physical stiffness (like metal) and behavioral strictness (like a strict teacher). It is a direct cognate of the English word 'rigid'.
  • It must agree in gender and number with the noun it modifies: rígido, rígida, rígidos, rígidas. It usually follows the noun in a sentence.
  • Commonly used in medical, legal, and educational contexts to describe muscles, laws, or grading criteria that do not allow for flexibility or change.
  • Distinguish it from 'duro' (hard surface) and 'severo' (harsh). While synonyms, 'rígido' specifically emphasizes the inability to bend or adapt to new situations.

The Portuguese word rígido is a versatile adjective that functions as a direct cognate to the English word 'rigid'. It is primarily used to describe physical properties of matter that resist deformation or bending, but it extends significantly into the metaphorical realm of human behavior, social structures, and administrative systems. When a Portuguese speaker describes an object as rígido, they are referring to its structural integrity and lack of flexibility. For instance, a piece of wood that cannot be curved without breaking is rígido. This physical definition is foundational, but the word truly comes alive in daily conversation when applied to abstract concepts. In a social or professional context, rígido characterizes rules that are strictly enforced, schedules that cannot be altered, or individuals who are uncompromising in their views or methods.

Physical Property
Describes materials like metal, dry wood, or frozen objects that do not bend. Example: 'O metal é um material rígido.'

O suporte de aço é extremamente rígido e suporta muito peso.

Beyond the physical, the word is indispensable for discussing discipline and governance. A 'sistema rígido' implies a structure with very little room for error or deviation. This is often heard in academic settings when discussing grading criteria or in corporate environments regarding working hours. It is important to note that while rígido can be neutral or even positive (implying stability and reliability), it often carries a slightly negative connotation when applied to people, suggesting a lack of empathy or an inability to adapt to new circumstances. A person who is rígido might be seen as stubborn or 'old-fashioned' in their refusal to change.

Behavioral Context
Refers to a person who is very strict or uncompromising. Example: 'Meu avô era um homem muito rígido com os horários.'

In the medical field, rígido is frequently used to describe muscle stiffness or joint immobility. A patient might complain that their neck is rígido after sleeping in a bad position. This usage is common in both clinical settings and everyday health complaints. Furthermore, in the realm of law and ethics, the word describes codes of conduct that must be followed to the letter. A 'código de ética rígido' is one that leaves no room for interpretation or 'gray areas'.

Após o exercício intenso, meus músculos ficaram completamente rígidos.

Systemic Context
Describes laws, protocols, or hierarchies that are unchangeable. Example: 'A burocracia estatal possui processos muito rígidos.'

A escola mantém um controle rígido sobre a entrada de visitantes.

O protocolo de segurança é muito rígido neste aeroporto.

To master the use of rígido, one must understand its plural and feminine forms: rígida, rígidos, rígidas. It always agrees with the noun it modifies. For example, 'uma regra rígida' (a rigid rule) vs 'um controle rígido' (a rigid control). Using it correctly demonstrates a high level of descriptive precision, allowing you to distinguish between something that is merely 'hard' (duro) and something that specifically lacks the ability to bend or adapt.

Using rígido correctly requires an understanding of grammatical agreement and context. As an adjective, it must match the gender and number of the noun it qualifies. This is a fundamental rule in Portuguese that learners must internalize to sound natural. Whether you are describing a physical object, a person's demeanor, or a set of regulations, the word acts as a powerful descriptor of inflexibility. In many cases, rígido follows the noun, which is the standard position for adjectives in Portuguese, especially when they provide a distinguishing characteristic.

Agreement: Masculine Singular
Used with masculine singular nouns. Example: 'O regulamento rígido não permite exceções.'

Este material é muito rígido para ser dobrado à mão.

When describing feminine nouns, the ending changes to '-a'. This is crucial for sentences involving concepts like 'discipline' (disciplina) or 'rule' (regra), which are feminine in Portuguese. Saying 'uma regra rígido' is a common mistake for English speakers, as English adjectives do not change. You must remember: 'uma regra rígida'. This change in vowel sound at the end of the word is distinct and necessary for grammatical correctness.

Agreement: Feminine Singular
Used with feminine singular nouns. Example: 'Ela mantém uma dieta muito rígida.'

A estrutura da empresa é bastante rígida e hierárquica.

In the plural form, simply add an 's' to the end of the singular masculine or feminine form. Plural usage is common when discussing multiple items, such as 'standards' (padrões) or 'laws' (leis). For example, 'padrões rígidos' or 'leis rígidas'. This consistency across number and gender is a hallmark of Portuguese adjective usage. Furthermore, rígido can be modified by adverbs of degree like 'muito' (very), 'extremamente' (extremely), or 'pouco' (little/not very) to provide more nuance to the description.

Os controles de qualidade são extremamente rígidos nesta fábrica.

Agreement: Plural Forms
Masculine: rígidos; Feminine: rígidas. Example: 'As normas rígidas garantem a segurança.'

Eles aplicam critérios rígidos na seleção de candidatos.

As condições do contrato são muito rígidas para nós.

Finally, consider the verb that accompanies rígido. When describing a permanent state or an inherent quality, use the verb 'ser' (e.g., 'Ele é rígido'). When describing a temporary state, such as a muscle being stiff due to injury, the verb 'estar' is used (e.g., 'Meu braço está rígido'). This distinction between permanent and temporary states is a key feature of Portuguese that learners must master to use 'rígido' effectively in various contexts.

The word rígido permeates various sectors of Portuguese-speaking society, from the sterile environment of a laboratory to the high-pressure atmosphere of a corporate boardroom. Understanding these contexts helps a learner recognize the word's weight and intent. In a professional setting, you will frequently hear rígido during meetings regarding compliance, project management, and human resources. Managers might discuss the need for a 'controle rígido de custos' (strict cost control) or describe a deadline as 'rígido' to emphasize that it cannot be moved. This usage conveys a sense of seriousness and non-negotiability.

In the Workplace
Used to describe deadlines, budgets, and hierarchies. Example: 'O diretor é muito rígido com a pontualidade.'

Precisamos manter um cronograma rígido para entregar o projeto no prazo.

In the educational system, particularly in Portugal and Brazil, rígido is a term often associated with traditional teaching methods. Students might describe a teacher as 'rígido' if they are strict about grading, behavior, or attendance. While this can sometimes be seen as a negative trait by students, it is often used by parents or the school administration to imply high standards and discipline. You will also see this word in academic texts describing scientific properties of materials or rigid mathematical structures.

In Education
Refers to strict teachers or traditional academic standards. Example: 'A prova seguiu um critério de correção muito rígido.'

O sistema de ensino antigo era muito mais rígido do que o atual.

Health and wellness is another major domain where rígido is common. Physical therapists use it to describe muscles that lack flexibility, and doctors use it to diagnose conditions like 'rigidez cadavérica' (rigor mortis) in a forensic context or 'rigidez nucal' (neck stiffness) as a symptom of meningitis. On a lighter note, fitness enthusiasts might talk about a 'dieta rígida' (strict diet) or a 'treino rígido' (strict training regimen) when they are being very disciplined about their health goals.

O médico notou que o paciente apresentava o abdômen rígido.

In Health and Fitness
Describes muscle tension or disciplined lifestyle habits. Example: 'Para ser atleta, é necessário um regime rígido.'

Sinto meu pescoço rígido por causa do estresse do trabalho.

A lei exige um padrão rígido de higiene nos restaurantes.

Lastly, in the context of law and public safety, rígido is used to describe the enforcement of statutes. Police officers or legal commentators might speak of 'leis rígidas' to describe a legal system with harsh penalties or little judicial discretion. This usage reinforces the idea of the word as a symbol of unyielding authority. Whether in a courtroom or a casual conversation about rules, rígido serves as a clear indicator that no exceptions will be made.

One of the most frequent mistakes English speakers make when using rígido is failing to adjust the word for gender and number. In English, 'rigid' stays the same regardless of what it describes. In Portuguese, however, you must use rígida for feminine nouns and rígidos/rígidas for plural nouns. Forgetting this agreement is a clear marker of a non-native speaker. For example, saying 'as regras são rígido' is incorrect; it must be 'as regras são rígidas'. This requires constant mental checks during the early stages of learning.

Mistake: Lack of Agreement
Incorrect: 'A disciplina é rígido.' Correct: 'A disciplina é rígida.'

Não use rígido para substantivos femininos como 'norma' ou 'postura'.

Another common error is confusing rígido with duro (hard). While they are often synonyms, duro refers more to the surface hardness or the difficulty of a task, whereas rígido specifically refers to the lack of flexibility or the strictness of a person or rule. For example, a diamond is 'duro' but not necessarily 'rígido' in the way we talk about rules. Conversely, a rule is 'rígida' but not 'dura' in a physical sense. Using rígido when you mean duro can sometimes sound unnatural, especially when describing physical objects like a hard bed or a tough piece of meat.

Mistake: Confusing with 'Duro'
Context: Describing a hard surface. Better to use 'duro'. Example: 'Esta cama é muito dura' (not rígida).

O pão está duro (correct), não rígido (incorrect for food).

Learners also struggle with the placement of rígido. While putting it after the noun is standard, placing it before the noun can change the emphasis. 'Um rígido controle' sounds more formal and literary than 'um controle rígido'. Beginners should stick to placing the adjective after the noun to avoid sounding overly dramatic or archaic. Additionally, be careful with the pronunciation of the 'í' in rígido. It is a stressed vowel (stressed on the first syllable), and failing to emphasize it can make the word difficult for native speakers to recognize.

Mistake: Misplacing Stress
The stress is on the first syllable: RÍ-gi-do. Do not stress the second or third syllable.

Lembre-se do acento: rígido. Sem o acento, a palavra não existe em português.

Não confunda rígido com severo, embora sejam próximos em significado.

Lastly, avoid using rígido to describe weather conditions. While in English we might say 'rigid cold' (though rare), in Portuguese we use 'frio intenso' or 'frio rigoroso'. Using rígido for temperature will sound like a direct translation from a dictionary rather than natural speech. Always consider if there is a more specific word for the context you are describing before defaulting to rígido.

To truly enrich your Portuguese vocabulary, it is essential to understand the alternatives to rígido and when to use them. While rígido is perfect for technical and formal descriptions of inflexibility, other words might be better suited for specific nuances. For example, severo (severe) is often used for punishments or climates, while estrito (strict) is the go-to word for following rules precisely. Understanding these subtle differences will help you sound more like a native speaker and allow you to express yourself with greater precision.

Rígido vs. Severo
'Rígido' implies structural inflexibility. 'Severo' implies harshness or gravity. A 'professor rígido' is strict; a 'clima severo' is harsh.

O juiz foi muito severo na sua sentença.

Another important alternative is teso. In Portugal, teso can mean physically stiff or tight, but it is also a very common slang term meaning 'broke' (having no money). In Brazil, teso is less common in daily speech but can describe something that is taut or stretched tight. For physical objects that are hard but not necessarily 'unbendable', duro is the most common and versatile choice. Using duro is often safer in casual conversation when describing food, furniture, or physical effort.

Rígido vs. Estrito
'Estrito' is used for exact adherence to rules. 'Rígido' is the personality or the system that enforces them. Example: 'cumprimento estrito do dever'.

Seguimos as ordens em um sentido estrito.

For describing people, exigente (demanding) is a more positive alternative. While a 'chefe rígido' might be seen as unpleasant, a 'chefe exigente' is someone who simply has high standards. If you want to describe someone who is physically stiff due to age or lack of exercise, you might use encortiçado (stiff like cork) or simply say they are 'sem flexibilidade'. In academic or technical writing, estático (static) or invariável (invariable) might be better choices depending on the specific field of study.

Rígido vs. Inflexível
'Inflexível' is almost always used for people's attitudes. 'Rígido' can be both people and physical objects. Example: 'Ele é inflexível em suas negociações.'

A postura dele foi totalmente inflexível durante a reunião.

O material indeformável é essencial para esta construção.

By learning these alternatives, you can tailor your language to the specific situation. Use rígido for physical stiffness or formal strictness, severo for harshness, estrito for precision, and inflexível for stubborn attitudes. This variety not only makes you more articulate but also helps you understand the nuances of what native speakers are telling you in different environments.

How Formal Is It?

Fun Fact

The word 'rígido' shares the same root as the medical term 'rigor mortis', which describes the stiffening of a body after death.

Pronunciation Guide

UK /ˈʁi.ʒi.du/
US /ˈʁi.ʒi.du/
The stress is on the first syllable (proparoxítona): RÍ-gi-do.
Rhymes With
frígido líquido nítido pálido sólido válido rápido úmido
Common Errors
  • Stressing the second syllable (ri-GÍ-do).
  • Pronouncing the 'g' like the 'g' in 'go' instead of 'pleasure'.
  • Forgetting to aspirate the initial 'r'.
  • Making the 'i' sounds too short or indistinct.
  • Pronouncing the final 'o' as a strong 'oh' instead of a soft 'u'.

Difficulty Rating

Reading 2/5

Easy to recognize as a cognate of 'rigid', but requires attention to context.

Writing 3/5

Requires correct gender/number agreement and the use of the accent mark.

Speaking 3/5

The stress on the first syllable (proparoxítona) can be tricky for English speakers.

Listening 2/5

Clear pronunciation usually makes it easy to identify in speech.

What to Learn Next

Prerequisites

Duro Forte Regra Pessoa Material

Learn Next

Flexível Maleável Inflexível Severo Exigente

Advanced

Austero Hirto Encortiçado Dielétrico Estatutário

Grammar to Know

Adjective Agreement

O controle é rígido. As regras são rígidas.

Proparoxítonas (Words stressed on the third-to-last syllable)

All proparoxítonas in Portuguese must have an accent mark (rígido, rápido, pássaro).

Ser vs Estar with Adjectives

Ele é rígido (personality). Ele está rígido (temporary state/stiffness).

Adjective Placement

Usually follows the noun: 'um material rígido'.

Gender of Nouns ending in -a and -o

Matches 'rígido' (masc) and 'rígida' (fem).

Examples by Level

1

O brinquedo é feito de um plástico rígido.

The toy is made of a rigid plastic.

Adjective 'rígido' follows the noun 'plástico'.

2

Esta cadeira não é confortável, é muito rígida.

This chair is not comfortable, it is very rigid.

Feminine form 'rígida' agrees with 'cadeira'.

3

O metal é um material rígido.

Metal is a rigid material.

Simple subject-verb-adjective structure.

4

Eu tenho um suporte rígido para o meu celular.

I have a rigid holder for my cell phone.

Adjective 'rígido' modifies 'suporte'.

5

O gelo é rígido e frio.

Ice is rigid and cold.

Using 'ser' for an inherent property.

6

A caixa é de papelão rígido.

The box is made of rigid cardboard.

Adjective 'rígido' follows 'papelão'.

7

O cabo da faca é rígido.

The knife handle is rigid.

Masculine singular agreement.

8

As réguas da escola são rígidas.

The school rulers are rigid.

Feminine plural agreement.

1

O meu professor de matemática é muito rígido.

My math teacher is very strict.

Metaphorical use for a strict person.

2

Eu sigo um horário rígido de estudos.

I follow a rigid study schedule.

Describing a strict routine.

3

A lei é muito rígida neste país.

The law is very strict in this country.

Describing regulations.

4

Não podemos mudar o plano, ele é rígido.

We cannot change the plan, it is rigid.

Implies lack of flexibility in a plan.

5

Ela tem uma postura muito rígida ao caminhar.

She has a very stiff posture when walking.

Describing physical posture.

6

O controle na fronteira é muito rígido.

The control at the border is very strict.

Describing an administrative process.

7

Os meus pais eram rígidos com as notas.

My parents were strict about grades.

Plural masculine agreement.

8

A dieta dele é rígida e sem doces.

His diet is strict and without sweets.

Describing a disciplined lifestyle.

1

A empresa mantém uma estrutura hierárquica rígida.

The company maintains a rigid hierarchical structure.

Describing corporate organization.

2

O protocolo de segurança é extremamente rígido.

The security protocol is extremely rigid.

Using an adverb of degree ('extremamente').

3

Sinto meus músculos rígidos depois da corrida.

I feel my muscles stiff after the run.

Describing temporary physical state.

4

O critério de seleção foi muito rígido este ano.

The selection criteria was very strict this year.

Describing a competitive process.

5

A educação antiga era baseada em princípios rígidos.

Old education was based on rigid principles.

Describing philosophical or moral foundations.

6

O contrato tem cláusulas muito rígidas sobre rescisão.

The contract has very rigid clauses about termination.

Describing legal constraints.

7

O governo impôs um controle rígido sobre os preços.

The government imposed strict control over prices.

Describing economic measures.

8

Ele é um homem de hábitos rígidos e imutáveis.

He is a man of rigid and unchangeable habits.

Describing personality and lifestyle.

1

A rigidez do sistema impede a inovação tecnológica.

The rigidity of the system prevents technological innovation.

Using the noun form 'rigidez'.

2

O material deve ser rígido o suficiente para suportar a pressão.

The material must be rigid enough to withstand the pressure.

Technical physical description.

3

A sociedade ainda possui normas rígidas de comportamento.

Society still has rigid norms of behavior.

Describing social expectations.

4

O treinador exige um cumprimento rígido das táticas.

The coach demands strict compliance with the tactics.

Describing professional discipline.

5

A burocracia rígida atrasa o desenvolvimento do projeto.

Rigid bureaucracy delays the development of the project.

Critical view of administrative systems.

6

O paciente apresenta rigidez nucal, um sintoma preocupante.

The patient presents neck stiffness, a worrying symptom.

Medical terminology.

7

As tradições familiares são muito rígidas naquela região.

Family traditions are very rigid in that region.

Describing cultural practices.

8

A moldura rígida protege a obra de arte valiosa.

The rigid frame protects the valuable work of art.

Describing protective structures.

1

A dicotomia entre o pensamento fluido e o rígido é central na obra.

The dichotomy between fluid and rigid thinking is central to the work.

Philosophical and literary analysis.

2

A estrutura cristalina do mineral é extremamente rígida.

The crystalline structure of the mineral is extremely rigid.

Scientific description of matter.

3

O autor critica a aplicação rígida de teorias econômicas ultrapassadas.

The author criticizes the rigid application of outdated economic theories.

Academic criticism.

4

A manutenção de dogmas rígidos pode levar ao isolamento institucional.

Maintaining rigid dogmas can lead to institutional isolation.

Sociological observation.

5

O sistema jurídico baseia-se em uma interpretação rígida da constituição.

The legal system is based on a rigid interpretation of the constitution.

Legal philosophy.

6

A peça explora a tensão entre o desejo individual e a moral rígida.

The play explores the tension between individual desire and rigid morality.

Literary theme analysis.

7

O material compósito oferece uma combinação de leveza e suporte rígido.

The composite material offers a combination of lightness and rigid support.

Engineering terminology.

8

Sua retórica rígida não permitia espaço para o diálogo construtivo.

His rigid rhetoric allowed no room for constructive dialogue.

Analyzing communication styles.

1

A rigidez cadavérica instalou-se poucas horas após o óbito.

Rigor mortis set in a few hours after death.

Highly specialized medical/forensic term.

2

O formalismo rígido da corte seiscentista ditava cada gesto.

The rigid formalism of the 17th-century court dictated every gesture.

Historical and literary description.

3

A mecânica dos corpos rígidos é fundamental para a engenharia civil.

The mechanics of rigid bodies is fundamental to civil engineering.

Advanced physics/engineering terminology.

4

O texto padece de uma estrutura excessivamente rígida e artificial.

The text suffers from an excessively rigid and artificial structure.

Sophisticated literary criticism.

5

A aplicação rígida do protocolo evitou uma catástrofe maior.

The rigid application of the protocol prevented a major catastrophe.

Formal administrative praise.

6

Ele se via preso em uma teia de convenções sociais rígidas e asfixiantes.

He found himself caught in a web of rigid and suffocating social conventions.

Metaphorical and poetic usage.

7

A rigidez dielétrica do material foi testada em laboratório.

The dielectric strength (rigidity) of the material was tested in the lab.

Technical scientific term.

8

Sua mente, outrora brilhante, tornara-se rígida e avessa a novas ideias.

His mind, once brilliant, had become rigid and averse to new ideas.

Describing cognitive decline or stubbornness.

Common Collocations

Controle rígido
Horário rígido
Regra rígida
Músculo rígido
Postura rígida
Critério rígido
Sistema rígido
Material rígido
Disciplina rígida
Protocolo rígido

Common Phrases

Ser rígido com algo

— To be strict about a specific thing.

Ele é rígido com a limpeza.

Manter-se rígido

— To stay stiff or to remain uncompromising.

Ele manteve-se rígido na sua decisão.

Ficar rígido

— To become stiff (physically or emotionally).

O corpo dele ficou rígido de frio.

Critérios rígidos

— Strict standards for judgment or selection.

Eles usam critérios rígidos para contratar.

Normas rígidas

— Strict rules that must be followed.

As normas rígidas da empresa são famosas.

Padrão rígido

— A high and inflexible standard.

A fábrica segue um padrão rígido de produção.

Educação rígida

— A strict upbringing or schooling.

Ela teve uma educação rígida em um colégio interno.

Controle rígido de gastos

— Strict monitoring of expenses.

Estamos em um controle rígido de gastos este mês.

Hierarquia rígida

— A strict chain of command.

A hierarquia rígida da empresa impede a comunicação.

Postura física rígida

— A very straight and stiff body position.

Sua postura física rígida demonstrava nervosismo.

Often Confused With

rígido vs Duro

Use 'duro' for hard surfaces like a rock. Use 'rígido' for things that don't bend or for strict people.

rígido vs Severo

Use 'severo' for harsh punishments or serious consequences. 'Rígido' is more about the rule itself.

rígido vs Firme

Use 'firme' for something steady or a person who is certain. 'Rígido' is more negative and inflexible.

Idioms & Expressions

"Rígido como uma porta"

— Very stiff or inflexible, often referring to a person's physical state or stubbornness.

Depois de dormir no sofá, acordei rígido como uma porta.

Informal
"Mão de ferro"

— While not using the word 'rígido', it describes a 'rígido' style of leadership.

Ele governa com mão de ferro.

Neutral
"Pau para toda obra"

— The opposite of 'rígido'; someone flexible and ready for anything.

O João é pau para toda obra.

Informal
"Ficar de pedra e cal"

— To be unyielding and firm in a position (like a rigid wall).

Ele ficou de pedra e cal na sua opinião.

Informal
"Caxias"

— A person who is 'rígido' about rules to an annoying degree.

Não seja tão caxias, é só um minuto de atraso.

Slang (Brazil)
"Quadrado"

— Someone with 'rígido' or old-fashioned views.

Meus pais são muito quadrados com essas coisas.

Informal
"Duro na queda"

— Someone who is 'rígido' and difficult to defeat or convince.

O negociador é duro na queda.

Informal
"Seguir à risca"

— To follow something in a 'rígido' or exact manner.

Ela segue a receita à risca.

Neutral
"Bater o pé"

— To be 'rígido' and insist on something stubbornly.

Ele bateu o pé e não quis sair.

Informal
"Faca nos dentes"

— To be 'rígido' and aggressive in pursuing a goal.

Ele foi para a reunião com a faca nos dentes.

Slang (Brazil)

Easily Confused

rígido vs Rigoroso

Both mean strict.

'Rigoroso' often implies a high level of detail and accuracy (e.g., a rigorous study), while 'rígido' implies a lack of flexibility (e.g., a rigid rule).

Ele fez um exame rigoroso. A regra é rígida.

rígido vs Estrito

Both relate to rules.

'Estrito' is used for the exactness of a definition or rule. 'Rígido' is the quality of the person or system enforcing it.

Sentido estrito da palavra. Professor rígido.

rígido vs Inflexível

Synonyms for 'not bending'.

'Inflexível' is almost exclusively used for personality and opinions. 'Rígido' is used for both people and physical objects.

O ferro é rígido. O chefe é inflexível.

rígido vs Austero

Both mean serious and strict.

'Austero' refers to a simple, non-luxurious, and very disciplined way of life. 'Rígido' refers to the enforcement of standards.

O monge vive uma vida austera. A disciplina é rígida.

rígido vs Gélido

Sometimes 'rígido' is associated with cold (frozen).

'Gélido' means 'ice-cold'. 'Rígido' describes the physical state of being frozen and unable to move.

O vento gélido. O corpo rígido de frio.

Sentence Patterns

A1

O [Objeto] é rígido.

O ferro é rígido.

A2

Eu tenho um [Substantivo] rígido.

Eu tenho um horário rígido.

B1

Eles são muito rígidos com [Assunto].

Eles são muito rígidos com a segurança.

B2

A [Substantivo] é considerada rígida por [Motivo].

A lei é considerada rígida por muitos advogados.

C1

Devido à sua natureza rígida, o [Substantivo] não permite [Ação].

Devido à sua natureza rígida, o sistema não permite mudanças.

C2

Observa-se uma rigidez [Adjetivo] no [Substantivo].

Observa-se uma rigidez cadavérica no corpo.

A2

A [Pessoa] é rígida.

A diretora é rígida.

B1

O material parece ser rígido.

O material parece ser rígido o suficiente.

Word Family

Nouns

Rigidez (rigidity)
Rigidismo (excessive adherence to rules)

Verbs

Enrijecer (to make or become rigid/stiff)
Rigidizar (to make rigid)

Adjectives

Rígido (rigid)
Enrijecido (stiffened)

Related

Rigor (rigor)
Rigoroso (rigorous)
Rigorismo (rigorism)
Rigorista (rigorist)
Rigidez muscular (muscle stiffness)

How to Use It

frequency

Common in both spoken and written Portuguese, especially in news and professional contexts.

Common Mistakes
  • As leis são rígido. As leis são rígidas.

    The adjective must agree with the feminine plural noun 'leis'.

  • O pão é rígido. O pão é duro.

    We use 'duro' for food that has become stale or hard.

  • Eu sou rígido de frio. Eu estou rígido de frio.

    Use 'estar' for temporary states like physical stiffness due to temperature.

  • Um rigido controle. Um rígido controle.

    Always include the accent mark on the 'í'.

  • Ele é um homem muito rigoroso (meaning strict personality). Ele é um homem muito rígido.

    While 'rigoroso' works, 'rígido' is often more precise for an uncompromising personality.

Tips

Gender Check

Always check the noun gender. 'Regra' is feminine, so it's always 'regra rígida'. This is a common test question.

Stress the First Syllable

Practice saying RÍ-gi-do. If you stress the end of the word, people might not understand you.

Use it for Rules

When talking about school or work rules, 'rígido' is a very natural-sounding word to use.

Medical Usage

If you go to a doctor in a Portuguese-speaking country, use 'rígido' to describe stiff muscles or joints.

Switch to Inflexível

If you are describing someone's opinion, 'inflexível' often sounds more sophisticated than 'rígido'.

Don't Forget the Accent

The accent on the 'í' is not optional. Without it, the word is misspelled and changes the pronunciation rules.

The Jeitinho

In Brazil, being too 'rígido' is often seen as a lack of social skill. Balance your use of the word with 'flexível' to describe good social interactions.

Use Rigidamente

You can turn it into an adverb by adding '-mente'. 'Ele segue as regras rigidamente' (He follows the rules rigidly).

Rígido vs Duro

If you can bend it, it's not 'rígido'. If you can't scratch it, it's 'duro'. This helps distinguish the two.

News Reports

Listen for 'medidas rígidas' in news reports about government actions. It's a very common collocation.

Memorize It

Mnemonic

Think of a 'Rigid' ruler. It is 'Rígido' because it doesn't bend. The 'í' in 'rígido' stands for 'Inflexible'.

Visual Association

Imagine a block of ice or a steel beam. These are 'rígido'. Then imagine a teacher standing perfectly straight with a serious face; they are also 'rígido'.

Word Web

Duro Inflexível Severo Estrito Formal Sério Firme Imóvel

Challenge

Try to describe three things in your house that are 'rígido' and three rules in your life that are 'rígidas'. Write them down in Portuguese.

Word Origin

From the Latin 'rigidus', meaning 'stiff, hard, or frozen'. It is derived from the verb 'rigere', which means 'to be stiff'.

Original meaning: Physically stiff or cold; later extended to describe unyielding human character and strict laws.

Romance (Latin-derived).

Cultural Context

Be careful when calling someone 'rígido' to their face; it can be perceived as calling them stubborn or old-fashioned.

Similar to English 'rigid', but in Portuguese, the behavioral use (strict) is even more common in daily conversation about teachers and parents.

The concept of 'Rigidez Cadavérica' in crime novels like those by Agatha Christie (translated). Scientific descriptions of 'corpos rígidos' in physics textbooks by Isaac Newton. Legal critiques of the 'Constituição Rígida' in Brazilian constitutional law.

Practice in Real Life

Real-World Contexts

Education

  • Professor rígido
  • Avaliação rígida
  • Horário rígido
  • Disciplina rígida

Materials Science

  • Plástico rígido
  • Estrutura rígida
  • Suporte rígido
  • Corpo rígido

Health

  • Músculos rígidos
  • Pescoço rígido
  • Dieta rígida
  • Rigidez matinal

Law and Government

  • Leis rígidas
  • Controle rígido
  • Protocolo rígido
  • Normas rígidas

Workplace

  • Prazo rígido
  • Hierarquia rígida
  • Gestão rígida
  • Orçamento rígido

Conversation Starters

"Você acha que as regras da sua empresa são muito rígidas?"

"Você já teve um professor que era extremamente rígido?"

"Quais materiais você considera mais rígidos na construção de uma casa?"

"Você prefere seguir uma rotina rígida ou ser mais flexível?"

"Na sua opinião, as leis de trânsito deveriam ser mais rígidas?"

Journal Prompts

Descreva uma situação em que você teve que ser rígido com alguém para conseguir um resultado.

Pense em um objeto rígido que você usa todos os dias e explique por que sua rigidez é importante.

Reflita sobre sua educação: seus pais eram rígidos ou flexíveis? Como isso afetou você?

Escreva sobre um sistema ou burocracia que você acha que é rígido demais e como você o mudaria.

Descreva como você se sente fisicamente quando está estressado. Seus músculos ficam rígidos?

Frequently Asked Questions

10 questions

Generally, no. We use 'duro' for hard bread or 'borrachudo' for tough meat. 'Rígido' sounds too technical for food unless you are describing the structure of a frozen item in a scientific way.

Not necessarily. It can imply that someone is fair and consistent, especially in professional roles like a judge or a safety inspector. However, in personal relationships, it usually suggests a lack of warmth or flexibility.

It's just gender agreement. Use 'rígido' for masculine nouns (o plástico, o homem) and 'rígida' for feminine nouns (a regra, a mulher).

It sounds like the 's' in the English word 'measure' or the 'j' in 'Jacques'. It is a soft 'zh' sound.

It is not common. Instead of 'clima rígido', use 'clima rigoroso' or 'frio intenso'. 'Rígido' is for things that physically cannot bend.

The most common opposites are 'flexível' (flexible) and 'maleável' (malleable).

Yes, 'rigidez' is the noun form (rigidity). It's used in medicine (rigidez muscular) and in discussions about systems (rigidez burocrática).

No. You might be thinking of 'caro'. There is no connection between 'rígido' and price.

Yes, it is used in all Portuguese-speaking countries with the same meaning, though slang alternatives like 'caxias' (Brazil) or 'teso' (Portugal) may vary.

Yes, they come from the same Latin root. 'Rigor' is the quality of being strict or exact, and 'rígido' is the adjective describing that state.

Test Yourself 200 questions

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Escreva uma frase descrevendo um professor estrito usando a palavra 'rígido'.

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Descreva um material físico que seja 'rígido'.

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Use 'rígida' em uma frase sobre uma dieta.

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Crie uma frase usando 'rígidos' no plural masculino.

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Explique a diferença entre 'rígido' e 'flexível' em português.

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Escreva sobre uma regra da sua casa que seja 'rígida'.

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Use a palavra 'rigidez' (substantivo) em uma frase.

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Descreva como você se sente após um treino pesado usando 'rígidos'.

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Escreva uma frase formal sobre as leis de um país.

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Crie um diálogo curto entre um aluno e um professor rígido.

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Descreva a estrutura de uma empresa usando 'rígida'.

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Use 'rígidas' para descrever normas de segurança.

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Escreva uma frase sobre a postura de alguém usando 'rígida'.

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Use 'semirrígido' para descrever um objeto.

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Escreva uma frase sobre uma rotina diária usando 'rígido'.

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Como você descreveria um sistema burocrático?

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Use 'rígido' em um contexto médico.

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Escreva uma frase usando 'rígido' para descrever o gelo.

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Crie uma frase comparativa usando 'mais rígido que'.

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Use 'rigidamente' em uma frase sobre seguir ordens.

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speaking

Pronuncie a palavra 'rígido' enfatizando a primeira sílaba.

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Diga 'As regras são rígidas' em voz alta.

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Descreva seu professor favorito usando 'rígido' ou 'flexível'.

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Explique por que um prédio precisa de uma estrutura rígida.

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Diga: 'Eu sigo um horário rígido todos os dias'.

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Como você diria que seus músculos estão tensos?

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Diga 'rígido, rígida, rígidos, rígidas' rapidamente.

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Responda: Você é uma pessoa rígida com horários?

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Explique o que é um 'controle rígido de qualidade'.

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Diga: 'A lei é rígida mas necessária'.

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Descreva um objeto em sua mesa usando 'rígido'.

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Diga: 'O protocolo de segurança é extremamente rígido'.

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Fale sobre uma dieta rígida que você conhece.

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speaking

Pronuncie 'rigidez' corretamente.

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Diga: 'A burocracia rígida é um problema no Brasil'.

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Fale sobre um material que não é rígido.

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Diga: 'Ele manteve uma postura rígida durante a reunião'.

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Responda: Qual é a parte mais rígida do corpo humano?

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Diga: 'Precisamos de critérios mais rígidos'.

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Explique por que uma regra pode ser considerada rígida demais.

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listening

Ouça a frase e identifique o adjetivo: 'O suporte metálico é rígido.'

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listening

Ouça e escreva: 'As normas são rígidas.'

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Identifique o gênero: 'A dieta é rígida.'

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Qual é o sentimento do falante: 'Meu chefe é muito rígido.'

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Ouça e identifique o número: 'Os critérios são rígidos.'

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O que está rígido na frase: 'Estou com o pescoço rígido.'?

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Ouça e escreva: 'O controle de gastos foi rígido.'

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Ouça: 'A hierarquia é rígida.' Qual é o substantivo?

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listening

Ouça e identifique o antônimo implícito: 'O material não é rígido, ele dobra.'

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listening

Ouça: 'O protocolo rígido evitou o erro.' O protocolo ajudou?

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listening

Ouça: 'Mantenha uma postura rígida.' O que a pessoa deve fazer?

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listening

Ouça: 'O plástico é rígido demais.' O plástico é bom para dobrar?

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listening

Ouça e escreva: 'Critérios rígidos de seleção.'

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Ouça: 'O sistema é rígido.' O sistema muda fácil?

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Ouça: 'Minha mãe era muito rígida.' Como era a mãe?

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/ 200 correct

Perfect score!

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