At the A1 level, you don't need to use the word preceito often, but it's good to know it exists. Think of it as a very fancy word for regra (rule). In English, we might say 'precept' or 'principle.' A rule is something like 'Don't eat in class.' A preceito is a bigger rule, like 'Always be honest.' At this stage, just remember that it is a masculine noun: o preceito. You might see it in simple books about stories with a moral. It's like a 'super-rule' for how to be a good person. You don't need to worry about using it in your daily conversations yet, but when you see it, just think: 'Ah, that's a formal rule!'

For A2 learners, preceito is a word you will start to see in slightly more formal texts, like news snippets or basic history lessons. It is a masculine noun (o preceito, os preceitos). You can use it when you want to talk about important rules that are not just for games. For example, 'os preceitos da família' (the rules of the family). It's a step up from 'regra.' While 'regra' is common and everyday, 'preceito' sounds more serious. If you are describing a person who is very correct and follows all the rules of their religion or job, you could say they follow 'os preceitos.' It helps you sound more advanced than just using basic words.

As a B1 learner, you should be able to understand preceito in various contexts and even use it in writing. This word is essential for discussing ethics, law, and religion at an intermediate level. It refers to a fundamental rule or principle. You will often see it paired with adjectives: preceito moral (moral precept), preceito legal (legal precept), or preceito religioso (religious precept). At this level, you should know that it's a formal word. Instead of saying 'a regra da Bíblia,' you should say 'os preceitos da Bíblia' to sound more natural and accurate. It shows you understand that some rules have more weight and history than others.

At the B2 level, you should use preceito with confidence in formal essays and discussions. You should distinguish it from norma (technical norm) and princípio (broad principle). A preceito is usually a specific instruction derived from a principle. For example, the principle is 'Justice,' but the preceito might be 'everyone has a right to a defense.' You will encounter this word in legal documents (preceito jurídico) and professional codes of ethics. You should also be aware of the phrase 'por preceito,' meaning doing something because it is a rule or a duty. Using this word correctly marks you as a speaker who can handle abstract and formal Portuguese topics.

For C1 learners, preceito is a tool for precision. You should understand its nuances in legal theory—such as the difference between a preceito permissivo (permissive precept) and a preceito proibitivo (prohibitive precept). You should be able to use it in academic writing to discuss the foundations of social structures. It is often used to describe the 'essential requirements' of a style, a philosophy, or a legal framework. At this level, you should also be familiar with its less common meanings, such as a specific judicial mandate. Your usage should reflect an understanding of the word's weight and its ability to confer authority on the rules being discussed.

At the C2 level, you possess a total command of preceito and its etymological roots (from Latin praeceptum). You can use it in highly sophisticated philosophical or legal discourse. You might discuss how certain 'preceitos' have evolved over centuries or how 'preceitos constitucionais' are interpreted by the Supreme Court. You understand the stylistic choice of using 'preceito' over 'regra' to evoke a sense of tradition, permanence, or moral gravity. You are also capable of identifying the word in classical Portuguese literature, where it might be used in a more archaic sense to mean any kind of teaching or lesson. Your mastery of this word allows for nuanced, high-level communication in any professional or academic setting.

preceito in 30 Seconds

  • A 'preceito' is a formal rule, principle, or commandment that guides behavior, especially in law, religion, or ethics.
  • It is a masculine noun (o preceito) and is more formal and weighty than the common word 'regra'.
  • Common contexts include legal codes, religious doctrines, and professional ethics, where specific instructions must be strictly followed.
  • The word originates from Latin and implies something 'prescribed' by an authority or a fundamental system of thought.

The Portuguese word preceito is a sophisticated noun that translates primarily to 'precept,' 'rule,' 'instruction,' or 'commandment' in English. At its core, it refers to a fundamental principle or a specific rule intended to regulate behavior, thought, or professional practice. Unlike a simple 'regra' (rule), which can be as trivial as a board game instruction, a preceito often carries a weight of authority, tradition, or moral imperative. It is the kind of word you encounter when discussing the bedrock of legal systems, the tenets of a religion, or the ethical guidelines of a profession. When someone speaks of a preceito, they are usually referring to something that isn't just a suggestion, but a requirement for maintaining order, integrity, or spiritual alignment.

Legal Context
In law, a preceito is a specific legal provision or a mandatory instruction issued by a court. It represents the 'letter of the law' that must be followed to ensure due process.
Religious Context
In theology, it refers to divine commandments or religious duties, such as the 'preceitos da Igreja' (Precepts of the Church) which guide the faithful in their practice.
Ethical Context
It describes moral maxims or philosophical guidelines that dictate how an individual should interact with the world to lead a virtuous life.

The usage of preceito is distinctly formal. You are unlikely to hear it in a casual conversation about what to eat for dinner, but you will certainly hear it in a university lecture, a courtroom, or a sermon. It implies a structured system of thought. For example, in medicine, there are 'preceitos éticos' (ethical precepts) that every doctor must follow. These are not merely suggestions; they are the foundational rules that define the profession's integrity. Using this word correctly in Portuguese signals a high level of literacy and an understanding of formal structures. It suggests that the speaker is discussing something of significant importance that governs a specific domain of human activity.

O juiz baseou sua decisão em um preceito constitucional fundamental.

Furthermore, the word is often used in the plural—preceitos—to describe a collection of rules that form a system. For instance, 'os preceitos da boa convivência' refers to the unspoken but essential rules of social etiquette and mutual respect. In a more technical sense, 'preceito' can also refer to a 'mandate' or an 'injunction' in older legal Portuguese. It is a word that bridges the gap between the abstract concept of 'right and wrong' and the concrete reality of 'rules and regulations.' By mastering this word, you gain the ability to discuss complex social and legal structures with precision.

Devemos respeitar os preceitos éticos da nossa profissão acima de tudo.

A dieta dele segue rigorosos preceitos nutricionais.

Aquele comportamento viola um preceito básico de educação.

Os preceitos religiosos orientam a vida daquela comunidade.

Using preceito correctly requires understanding its grammatical role as a masculine noun and its common verbal pairings. In Portuguese, nouns ending in '-o' are typically masculine, so we use the articles 'o' (the) and 'um' (a/an). Because it is a formal word, it is frequently paired with verbs that denote adherence, violation, or establishment. For example, common verbs include seguir (to follow), cumprir (to fulfill/comply), respeitar (to respect), violar (to violate), and estabelecer (to establish). When you want to say that someone is following a rule, saying 'ele segue o preceito' sounds much more authoritative and precise than 'ele segue a regra.'

Subject Position
The word can act as the subject of a sentence, often describing what a rule does: 'O preceito legal determina que...' (The legal precept determines that...).
Object Position
As an object, it shows what is being followed or broken: 'Ninguém pode ignorar este preceito' (No one can ignore this precept).
Adjectival Modification
It is often modified by adjectives like 'moral', 'ético', 'jurídico', 'religioso', or 'fundamental' to specify the type of rule being discussed.

In practical terms, you will often see preceito used in the plural form preceitos when referring to a set of guidelines. For instance, 'os preceitos da gramática' (the precepts of grammar) or 'os preceitos da medicina' (the precepts of medicine). It is also common in the phrase 'por preceito,' which means 'by rule' or 'out of principle.' For example, 'Ele não come carne por preceito religioso' (He does not eat meat by religious precept). This structure is very useful for explaining the 'why' behind an action when that action is rooted in a formal belief system or set of rules.

É necessário observar cada preceito contido no contrato.

Another interesting usage is in the context of 'preceito cominatório,' a specific legal term referring to a penalty or sanction imposed for non-compliance. While this is highly technical, it illustrates how deeply the word is embedded in the Portuguese legal framework. For a learner, focusing on the combination of preceito + adjective is the most effective way to start using it. If you are talking about a moral rule, always use 'preceito moral.' If you are talking about a law, use 'preceito legal.' This consistency will make your Portuguese sound much more natural and academic.

Os preceitos da democracia devem ser protegidos por todos.

Ela age de acordo com os seus preceitos internos.

Não há preceito que justifique tamanha violência.

To hear the word preceito in the wild, you need to step slightly outside the realm of everyday small talk and into more formal or specialized environments. One of the most common places is in the news media, especially during segments covering legal battles, constitutional changes, or ethical scandals. Journalists often use preceito to describe the specific laws or principles that are being debated. For instance, you might hear a reporter say, 'O projeto de lei fere preceitos constitucionais' (The bill violates constitutional precepts). This usage highlights the word's role in describing the fundamental rules that govern a nation.

In the Courtroom
Lawyers and judges use 'preceito' constantly to refer to specific articles of the law or mandatory judicial orders. It is a staple of legal Portuguese.
In Religious Settings
Whether in a Catholic mass discussing the 'preceitos da Igreja' or in a discussion about Jewish or Islamic law, the word is used to denote divine requirements.
In Academic Lectures
Professors of philosophy, sociology, and ethics use 'preceito' to describe the guiding principles of different schools of thought.

Another very common place to encounter preceito is in professional codes of conduct. If you work for a Brazilian or Portuguese company, the 'Código de Ética' will likely be filled with preceitos regarding how to treat colleagues, handle data, and avoid conflicts of interest. In this context, the word serves to elevate the rules from mere office policies to essential moral obligations. It creates a sense of duty and professional pride. You might also hear it in high-level political speeches, where leaders invoke 'os preceitos da liberdade' (the precepts of liberty) to rally support for a cause.

O palestrante discutiu os preceitos da arquitetura moderna.

Even in the arts, the word appears. A critic might discuss the 'preceitos estéticos' (aesthetic precepts) of a particular movement, like Modernism or Romanticism. Here, it refers to the 'unwritten rules' that artists follow to achieve a certain style or effect. Essentially, whenever a conversation turns toward the foundations of a system—be it legal, moral, professional, or artistic—preceito is the word that will be used to describe those foundational rules. It is a word of the intellect and the spirit.

A decisão foi tomada seguindo rigorosos preceitos técnicos.

O livro ensina os preceitos da culinária clássica francesa.

One of the most frequent mistakes English speakers make when using preceito is confusing it with the word conceito (concept). While they sound somewhat similar and both deal with abstract ideas, their meanings are quite different. A conceito is an idea or a definition (e.g., 'the concept of time'), whereas a preceito is a rule or instruction (e.g., 'the precept of honesty'). If you say 'o preceito de liberdade' when you mean 'the concept of liberty,' you are implying that liberty is a rule to be followed rather than an abstract idea to be understood. While there is overlap, the distinction is crucial in formal writing.

Preceito vs. Regra
Mistake: Using 'preceito' for casual rules. Correct: Use 'regra' for games or casual settings. Use 'preceito' for formal, moral, or legal guidelines.
Gender Confusion
Mistake: Saying 'a preceito'. Correct: It is always 'o preceito' (masculine).
Preceito vs. Processo
Mistake: Confusing the rule (preceito) with the procedure (processo). A preceito is what must be done; the processo is how it is done.

Another mistake is overusing the word in informal contexts. Because preceito is a high-register word, using it while hanging out with friends at a bar might make you sound overly stiff or even pretentious. For example, saying 'É um preceito da nossa amizade você pagar a cerveja' (It is a precept of our friendship that you pay for the beer) is grammatically correct but socially awkward unless you are being intentionally ironic or humorous. In casual settings, stick to words like 'regra' or 'combinado' (agreement).

Errado: Eu não entendo o preceito de relatividade. (Should be 'conceito').

Lastly, learners sometimes struggle with the pluralization and the following prepositions. It is 'preceito de' or 'preceito para'. For example, 'preceito de conduta' (precept of conduct). Avoid using prepositions that don't fit the 'rule' nature of the word. Also, remember that in legal contexts, preceito can specifically mean a 'court order.' Using it as a general 'law' in a legal setting might be slightly imprecise if a specific court mandate is what is being discussed. Precision is key with such a specific term.

Correto: O preceito moral nos obriga a dizer a verdade.

While preceito is a powerful word, Portuguese offers several synonyms and alternatives that might be more appropriate depending on the level of formality and the specific context. Understanding the nuances between these words will help you choose the right one for the right situation. The most common synonym is regra, but as we've discussed, regra is much more general and can be used for anything from the 'rules of soccer' to 'rules of the house.' Preceito is reserved for more solemn or structural rules.

Norma
Often used in legal and technical contexts (e.g., 'normas da ABNT'). It is more clinical and less 'moral' than preceito.
Mandamento
Specifically religious. Use this when referring to the Ten Commandments (Os Dez Mandamentos). It implies a direct order from a higher authority.
Princípio
A principle. This is broader than a preceito. A preceito is often a specific rule derived from a broader princípio.
Doutrina
A doctrine. This refers to a whole system of beliefs and preceitos, rather than just one single rule.

If you are looking for a word that is slightly less formal than preceito but more formal than regra, diretriz (guideline) is an excellent choice. Diretrizes are often used in corporate settings to describe the general direction or strategy a company should follow. Another alternative is instrução (instruction), which is more practical and less philosophical. For example, if you are telling someone how to use a machine, use instruções. If you are telling someone how to live a good life, use preceitos. Choosing preceito adds a layer of depth and seriousness to your communication.

Comparação: A regra é não correr; o preceito é respeitar a segurança de todos.

In some literary contexts, you might also see cânone (canon). This is usually used in the context of literature, art, or religious law to describe the 'official' or 'standard' set of rules or works. While a preceito is a rule you follow, a cânone is the standard against which things are measured. By understanding these subtle differences, you can move beyond basic vocabulary and start expressing yourself with the nuance of a native speaker. Remember: preceito is about the 'must-do' rules of a system.

Seguir os preceitos da lei é um dever de todo cidadão.

Pronunciation Guide

UK /pɾɛˈsɐj.tu/
US /pɾeˈsej.tu/
The stress is on the penultimate syllable: pre-CEI-to.
Rhymes With
efeito defeito jeito eleito leito peito pleito respeito
Common Errors
  • Pronouncing the final 'o' as an English 'oh'. It should be 'u'.
  • Confusing the 'ei' sound with a simple 'e'. It is a diphthong.
  • Stressing the first syllable (PRE-ceito) instead of the second.
  • Missing the rolled or tapped 'r' at the beginning.
  • Confusing it with 'preconceito' and adding an extra 'con' sound.

Examples by Level

1

O preceito é bom.

The precept is good.

Simple subject-adjective structure.

2

Eu sigo o preceito.

I follow the precept.

Direct object usage.

3

Um preceito de paz.

A precept of peace.

Noun + prepositional phrase.

4

Eles têm preceitos.

They have precepts.

Plural noun.

5

O preceito é importante.

The precept is important.

Basic descriptive sentence.

6

Não quebre o preceito.

Don't break the precept.

Negative imperative.

7

O preceito da escola.

The school precept.

Genitive 'de' showing belonging.

8

Este é o meu preceito.

This is my precept.

Possessive adjective 'meu'.

1

Devemos seguir os preceitos da família.

We must follow the family precepts.

Modal verb 'dever' + infinitive.

2

O preceito diz para ajudar.

The precept says to help.

Verb 'dizer' introducing an action.

3

Eles respeitam os preceitos antigos.

They respect the old precepts.

Adjective 'antigos' agreeing with 'preceitos'.

4

É um preceito de educação.

It is a precept of politeness.

Noun used to define a behavior.

5

O professor ensinou o preceito.

The teacher taught the precept.

Past tense 'ensinou'.

6

Quais são os preceitos?

What are the precepts?

Interrogative sentence.

7

O livro contém muitos preceitos.

The book contains many precepts.

Verb 'conter' (to contain).

8

Siga o preceito com atenção.

Follow the precept with attention.

Imperative + adverbial phrase.

1

O preceito moral é a base da sociedade.

The moral precept is the basis of society.

Abstract concept as subject.

2

Ele age por preceito religioso.

He acts by religious precept.

Fixed expression 'por preceito'.

3

Violar um preceito legal tem consequências.

Violating a legal precept has consequences.

Infinitive as subject.

4

Os preceitos da medicina são rigorosos.

The precepts of medicine are rigorous.

Plural agreement.

5

Precisamos definir novos preceitos éticos.

We need to define new ethical precepts.

Compound verb 'precisamos definir'.

6

Aquele preceito já não faz sentido.

That precept no longer makes sense.

Adverbial phrase 'já não'.

7

Cada preceito deve ser respeitado.

Each precept must be respected.

Passive voice 'ser respeitado'.

8

Ela estuda os preceitos da filosofia.

She studies the precepts of philosophy.

Present tense 'estuda'.

1

A lei estabelece o preceito da igualdade.

The law establishes the precept of equality.

Formal verb 'estabelece'.

2

É fundamental cumprir o preceito constitucional.

It is fundamental to comply with the constitutional precept.

Impersonal 'É fundamental'.

3

Os preceitos técnicos garantem a segurança.

The technical precepts guarantee safety.

Adjective 'técnicos' in a professional context.

4

Não podemos ignorar os preceitos da lógica.

We cannot ignore the precepts of logic.

Negative modal 'não podemos'.

5

O preceito exige uma conduta impecável.

The precept demands impeccable conduct.

Verb 'exigir' (to demand).

6

Existem preceitos que são universais.

There are precepts that are universal.

Relative clause 'que são'.

7

A decisão seguiu o preceito do juiz.

The decision followed the judge's precept.

Past tense 'seguiu'.

8

Os preceitos da arte mudam com o tempo.

The precepts of art change with time.

Reflexive verb 'mudam-se' or simple 'mudam'.

1

O preceito jurídico fundamenta a petição inicial.

The legal precept grounds the initial petition.

Highly formal legal vocabulary.

2

A obra desafia os preceitos estéticos da época.

The work challenges the aesthetic precepts of the time.

Abstract academic context.

3

A transgressão de um preceito ético gera demissão.

The transgression of an ethical precept leads to dismissal.

Noun 'transgressão' + 'gera'.

4

Os preceitos da Igreja foram debatidos no concílio.

The precepts of the Church were debated in the council.

Historical/Theological context.

5

O autor analisa os preceitos da governança pública.

The author analyzes the precepts of public governance.

Analytical academic tone.

6

O preceito cominatório foi aplicado pelo tribunal.

The comminatory precept was applied by the court.

Specialized legal terminology.

7

Vivemos sob os preceitos da razão iluminista.

We live under the precepts of Enlightenment reason.

Philosophical prepositional phrase 'sob os'.

8

É um preceito basilar do direito internacional.

It is a fundamental precept of international law.

Adjective 'basilar' (foundational).

1

A hermenêutica do preceito legal exige cautela.

The hermeneutics of the legal precept requires caution.

High-level intellectual vocabulary.

2

O preceito, embora antigo, permanece vigente.

The precept, although old, remains in force.

Concessive clause 'embora'.

3

Subverter os preceitos da ordem estabelecida é perigoso.

Subverting the precepts of the established order is dangerous.

Infinitive 'subverter' as subject.

4

A rigidez dos preceitos morais pode ser sufocante.

The rigidity of moral precepts can be suffocating.

Abstract metaphor.

5

O preceito emanado da autoridade superior foi cumprido.

The precept emanated from the superior authority was fulfilled.

Past participle 'emanado' as adjective.

6

Os preceitos da métrica clássica regem este poema.

The precepts of classical meter govern this poem.

Literary analysis context.

7

Invocou-se um preceito de exceção para o caso.

An exceptional precept was invoked for the case.

Passive reflexive 'invocou-se'.

8

A vacuidade de certos preceitos modernos é notável.

The emptiness of certain modern precepts is notable.

Nuanced philosophical critique.

Common Collocations

Preceito moral
Preceito legal
Preceito religioso
Preceito constitucional
Seguir um preceito
Cumprir o preceito
Violar o preceito
Preceito básico
Preceitos da Igreja
Estabelecer um preceito

Common Phrases

Por preceito

— Doing something because it is a rule or requirement.

Ele jejua por preceito religioso.

Preceito cominatório

— A legal instruction that includes a penalty for non-compliance.

O preceito cominatório foi fixado em multa diária.

Fora do preceito

— Something that does not follow the established rule.

Essa atitude está fora do preceito esperado.

Sob o preceito de

— Under the rule or guidance of something.

Vivemos sob o preceito de que todos são iguais.

Preceito de conduta

— A rule specifically about how to behave.

O código de ética foca no preceito de conduta.

Fiel ao preceito

— Someone who strictly follows the rules.

Ele sempre foi fiel ao preceito da honestidade.

Preceitos da boa educação

— The standard rules of being polite.

Dizer 'obrigado' é um dos preceitos da boa educação.

A rigor do preceito

— Following the rule exactly as written.

A rigor do preceito, a entrada é proibida.

Preceito fundamental

— A foundation-level rule.

A liberdade de expressão é um preceito fundamental.

Segundo o preceito

— According to the rule.

Segundo o preceito legal, você está livre.

Idioms & Expressions

"Seguir à risca o preceito"

— To follow the rule exactly, down to the smallest detail.

Ela segue à risca o preceito da dieta.

Neutral
"Cair no preceito"

— In some religious contexts, to fall under the obligation of a specific rule.

Aos sete anos, a criança cai no preceito do jejum.

Religious
"Dar o preceito"

— An older way of saying 'to give an order' or 'to instruct'.

O mestre deu o preceito aos alunos.

Archaic
"Guardar o preceito"

— To maintain or keep a tradition or rule alive.

A família guarda o preceito de se reunir no Natal.

Literary
"Pôr em preceito"

— To put something into a rule-based format or to mandate it.

O governo pôs em preceito o uso de máscaras.

Formal
"Quebrar o preceito"

— To violate a sacred or very important rule.

Quebrar o preceito da confidencialidade é crime.

Formal
"Preceito de ouro"

— A 'golden rule'; the most important principle.

O preceito de ouro é tratar os outros como gostaria de ser tratado.

Common
"Fazer preceito"

— To make something a mandatory rule or a habit.

Ele faz preceito de caminhar todas as manhãs.

Neutral
"Estar no preceito"

— To be currently following a specific religious or ritualistic rule.

Ele não pode sair hoje porque está no preceito.

Religious (Candomblé/Umbanda)
"Preceito de vida"

— A guiding principle for one's entire existence.

Ajudar o próximo é o meu preceito de vida.

Philosophical

Word Family

Nouns

Verbs

Adjectives

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