Princípio in 30 Seconds
- Princípio means 'beginning' or 'start' in a temporal sense, such as the start of a year or a book.
- It also refers to 'principles' or 'values,' representing the moral rules that guide a person's behavior.
- In science and law, it denotes a fundamental law or doctrine, such as the Principle of Archimedes.
- Common phrases include 'no princípio' (at first) and 'em princípio' (theoretically or in principle).
The Portuguese word princípio is a versatile and fundamental noun that every learner should master early in their journey. At its most basic level, it translates to 'beginning' or 'start,' referring to the first or earliest part of an event, a period of time, or a physical object. However, its utility extends far beyond mere chronology. In Portuguese, just as in English, it also carries the weight of moral and ethical foundations. When a person speaks of their 'princípios,' they are referring to the core values, rules, or beliefs that govern their behavior and decision-making processes. This duality makes it a word of both temporal sequence and philosophical depth. You will encounter it in everyday conversations about how a movie started, in legal documents discussing the foundations of law, and in scientific contexts describing the fundamental laws of nature, such as the 'Princípio de Arquimedes.' Understanding the context is key to determining whether the speaker is talking about a point in time or a point of ethics.
- Temporal Usage
- Refers to the inception of something. For example, 'o princípio do ano' (the beginning of the year) or 'no princípio da carreira' (at the start of the career).
Tudo pareceu difícil no princípio, mas depois melhorou.
- Ethical Usage
- Refers to a fundamental truth or a moral rule. 'Ele é um homem de princípios' means he is a man of integrity who follows a strict moral code.
In a scientific or academic context, 'princípio' is the standard term for a law or a basic doctrine. For instance, in physics, you study the 'Princípio da Inércia.' In the legal world, 'princípios jurídicos' are the underlying rules that guide the interpretation of laws. This word is also frequently used in the expression 'em princípio,' which translates to 'in principle' or 'theoretically,' suggesting that while something is expected to happen, there might be exceptions. This is a common nuance in professional Portuguese. Furthermore, the word appears in the famous biblical opening, 'No princípio era o Verbo' (In the beginning was the Word), highlighting its deep-rooted place in the language's history and literature. Whether you are describing the start of a friendship or the foundations of a democratic state, this word provides the necessary semantic bridge between the chronological and the conceptual.
Não posso aceitar isso por uma questão de princípio.
- Theoretical Usage
- Used to indicate a general rule or initial plan. 'Em princípio, viajamos amanhã' means 'In theory, we are traveling tomorrow.'
O princípio ativo deste remédio é muito forte.
Desde o princípio, eu sabia que você ganharia.
Os princípios da democracia devem ser protegidos.
Using 'princípio' correctly involves understanding its prepositional pairings and its pluralization. As a masculine noun, it is always preceded by masculine articles: 'o princípio' (the beginning) or 'um princípio' (a principle). When talking about the start of something, we often use the preposition 'no' (in the/at the), resulting in the common phrase 'no princípio.' For example, 'No princípio do mês, pago as contas' (At the beginning of the month, I pay the bills). This is interchangeable with 'no início,' but 'princípio' sounds slightly more formal or literary. If you want to talk about your personal values, you will almost always use the plural form 'princípios.' A common sentence structure is 'agir de acordo com os princípios' (to act according to principles). This shows that the word functions as a guide for conduct. In scientific contexts, the word is usually followed by the name of the law or the scientist who discovered it, such as 'O princípio de Pascal.'
- Sentence Pattern: No princípio de + Noun
- Used to specify the start of a period. 'No princípio de janeiro faz muito frio.'
Eu não concordo com isso por princípio.
- Sentence Pattern: Em princípio
- Used as an adverbial phrase meaning 'in theory' or 'as a rule'. 'Em princípio, o projeto está aprovado.'
Another important usage is the phrase 'desde o princípio,' which means 'from the very beginning.' This is a powerful way to emphasize that something has been true since its inception. For instance, 'Desde o princípio, fomos honestos' (From the beginning, we were honest). In chemistry and pharmacology, 'princípio ativo' refers to the active ingredient of a substance, which is a very common technical term. When writing, you should be careful not to confuse 'princípio' with the adjective 'principal' (main). While they share a root, 'principal' describes the importance of something, while 'princípio' describes its origin or its rule. For example, 'O motivo principal' (the main reason) vs 'O princípio da história' (the beginning of the story). Mastery of these nuances will significantly elevate your Portuguese from basic to intermediate levels.
Este é o princípio de uma nova era para a empresa.
- Sentence Pattern: Princípio de + [Disease/Condition]
- Used colloquially to mean the early stages of a sickness. 'Ele teve um princípio de infarto.'
Devemos seguir nossos princípios morais sempre.
O princípio da igualdade é fundamental na constituição.
No princípio, era apenas uma ideia pequena.
In Brazil and Portugal, you will hear 'princípio' in a variety of settings, ranging from the highly formal to the surprisingly casual. In the news and political discourse, commentators often discuss the 'princípios democráticos' (democratic principles) or 'princípios éticos' when analyzing government actions. It is a staple of legal language; a lawyer might argue that a decision violates the 'princípio da ampla defesa' (the principle of full defense). In a professional office environment, you might hear a manager say 'Em princípio, a reunião será às dez,' indicating that while that is the plan, it is subject to change. This 'em princípio' is a very common way to hedge statements in Portuguese business culture. It allows for flexibility while providing a starting point for planning.
- In the Media
- Used to discuss foundations of laws or societal values. 'O princípio da liberdade de expressão.'
A decisão foi baseada no princípio da legalidade.
In medical or health contexts, people often use 'princípio' to describe the very first signs of an illness. For example, 'Ele teve um princípio de pneumonia' (He had the beginnings of pneumonia). This is a very common colloquial way to say that someone almost got sick or was in the early, manageable stages of a disease. You will also hear it in academic settings, especially in philosophy or science classes, where 'princípios fundamentais' are the building blocks of any theory. Even in social settings, if a friend is explaining why they won't do something that feels wrong, they might say 'É por princípio' (It's a matter of principle), which carries a lot of weight and usually ends the argument because it appeals to their core identity.
Eu senti um princípio de gripe ontem à noite.
- In Daily Life
- Used to describe the start of a story or a movie. 'Perdi o princípio do filme.'
Aquele professor ensina os princípios da física de forma simples.
Em princípio, todos os alunos devem participar.
Não abra mão dos seus princípios por ninguém.
One of the most frequent mistakes English speakers make is confusing 'princípio' with 'principal.' Because they look similar, learners often use 'princípio' when they want to say 'main' or 'primary.' For example, saying 'o princípio objetivo' instead of 'o objetivo principal.' Remember: 'princípio' is a noun (the beginning/a rule), while 'principal' is an adjective (main). Another common error is the misuse of prepositions. Students often say 'no princípio' when they really mean 'em princípio.' To clarify: 'no princípio' refers to a point in time (at the beginning), while 'em princípio' refers to a theoretical condition (in principle/theoretically). Using one for the other can lead to confusion about whether you are talking about *when* something happened or *how* it is supposed to work.
- Mistake: Princípio vs. Principal
- Correct: 'O principal problema.' Incorrect: 'O princípio problema.'
O princípio da economia é poupar (Correct usage as 'The rule').
Additionally, many learners struggle with the distinction between 'princípio' and 'começo' or 'início.' While they are often synonyms, 'princípio' is more abstract and 'começo/início' are more concrete. You would say 'o começo da rua' (the start of the street) but 'o princípio da sabedoria' (the beginning of wisdom). Using 'começo' for a philosophical foundation sounds slightly informal and less precise. Finally, pay attention to the pluralization. While 'beginning' is rarely pluralized in English unless talking about multiple starts, 'princípios' is very common in Portuguese when talking about values. If you say 'eu tenho um princípio,' it sounds like you have exactly one rule, whereas 'eu tenho princípios' sounds like you are a person of character.
Em princípio, a ideia é boa, mas precisa de ajustes.
- Mistake: Preposition Confusion
- 'No princípio' = At the start. 'De princípio' = Initially. 'Em princípio' = Theoretically.
Eu abandonei o curso logo no princípio.
Ele não tem princípios; ele faz qualquer coisa por dinheiro.
O princípio de incêndio foi controlado rapidamente.
To expand your Portuguese vocabulary, it is helpful to compare 'princípio' with its synonyms and related terms. The most common synonyms are 'início' and 'começo.' While all three mean 'beginning,' they are used in different registers and contexts. 'Início' is the most standard and neutral term for any start. 'Começo' is slightly more informal and common in spoken language. 'Princípio' is the most formal and is specifically used for foundations or abstract starts. For example, you 'começa' a meal, you have the 'início' of a race, and you follow the 'princípios' of a philosophy. Other related words include 'origem' (origin), which refers to the source or cause of something, and 'base' (base/foundation), which refers to the physical or conceptual support.
- Princípio vs. Início
- 'Início' is for physical/temporal starts (início da rua). 'Princípio' is for abstract/moral starts (princípio da moral).
O início das aulas será em fevereiro.
In the context of rules and values, alternatives to 'princípios' include 'valores' (values), 'normas' (norms), and 'regras' (rules). While a 'regra' is a specific instruction on what to do, a 'princípio' is a broader guideline that informs the rules. For instance, 'não mentir' is a 'regra,' but 'honestidade' is the 'princípio' behind it. If you are discussing the start of a project, you might use 'ponto de partida' (starting point). For scientific laws, 'lei' (law) is a direct synonym, though 'princípio' is often used for laws that are derived or foundational. Understanding these subtle differences will help you choose the right word for the right situation, making your Portuguese sound more natural and sophisticated.
A origem do problema ainda é desconhecida.
- Princípio vs. Regra
- A principle is a general value; a rule is a specific application of that value. Principles guide rules.
Este é o fundamento da nossa teoria científica.
O ponto de partida para o sucesso é o trabalho árduo.
Temos os mesmos valores familiares.
Examples by Level
No princípio do dia, eu tomo café.
At the beginning of the day, I drink coffee.
'No princípio' is a temporal phrase.
O princípio do livro é muito bom.
The beginning of the book is very good.
Masculine noun 'o princípio'.
Eu estudo desde o princípio.
I have been studying since the beginning.
'Desde o' indicates a starting point in time.
No princípio da rua, há uma farmácia.
At the beginning of the street, there is a pharmacy.
Used for physical location.
O princípio do ano é em janeiro.
The beginning of the year is in January.
Temporal reference.
Eu li o princípio da história.
I read the beginning of the story.
Direct object usage.
No princípio, tudo é novo.
In the beginning, everything is new.
General temporal statement.
O princípio do filme é triste.
The beginning of the movie is sad.
Describing a part of a media work.
Ele teve um princípio de gripe ontem.
He had the start of a cold yesterday.
Colloquial use for early illness.
No princípio da viagem, perdemos as malas.
At the beginning of the trip, we lost the suitcases.
Describing an event in a sequence.
Eu gosto de ler o princípio das notícias.
I like to read the beginning of the news.
Plural 'notícias' with singular 'princípio'.
Este é o princípio de uma grande amizade.
This is the beginning of a great friendship.
Abstract beginning.
No princípio do trabalho, eu estava cansado.
At the beginning of the work, I was tired.
State of being at a specific time.
O princípio da música é muito lento.
The beginning of the song is very slow.
Describing an artistic work.
Eles moram no princípio da avenida.
They live at the beginning of the avenue.
Physical location.
Desde o princípio, eu sabia a verdade.
From the beginning, I knew the truth.
Emphasis on duration.
Em princípio, chegaremos às oito horas.
In principle, we will arrive at eight o'clock.
'Em princípio' means 'theoretically'.
Isso vai contra os meus princípios morais.
That goes against my moral principles.
Plural 'princípios' used for values.
Ele é um homem de princípios rígidos.
He is a man of rigid principles.
Describing character.
Não aceito isso por uma questão de princípio.
I don't accept this as a matter of principle.
Fixed expression 'por uma questão de'.
Em princípio, o plano deve funcionar bem.
In principle, the plan should work well.
Expressing probability.
Quais são os princípios desta empresa?
What are the principles of this company?
Corporate values.
Eu sigo meus princípios, não a multidão.
I follow my principles, not the crowd.
Personal conviction.
O princípio da honestidade é fundamental.
The principle of honesty is fundamental.
Abstract concept as a noun.
O princípio ativo deste remédio é a aspirina.
The active ingredient of this medicine is aspirin.
Technical term 'princípio ativo'.
O Princípio de Arquimedes explica a flutuação.
Archimedes' Principle explains buoyancy.
Scientific law naming convention.
A constituição baseia-se no princípio da igualdade.
The constitution is based on the principle of equality.
Legal foundation.
Em princípio, a lei se aplica a todos os cidadãos.
In principle, the law applies to all citizens.
Theoretical legal application.
Este é o princípio básico da economia de mercado.
This is the basic principle of market economics.
Foundational theory.
O princípio da incerteza é famoso na física.
The uncertainty principle is famous in physics.
Scientific nomenclature.
Agir por princípio é mais importante que o lucro.
Acting on principle is more important than profit.
Infinitive verb followed by prepositional phrase.
O princípio da não-intervenção é respeitado aqui.
The principle of non-intervention is respected here.
Diplomatic/Legal term.
O princípio da dignidade humana é absoluto.
The principle of human dignity is absolute.
Philosophical/Legal absolute.
A argumentação peca por falta de princípios lógicos.
The argument fails due to a lack of logical principles.
Critique of reasoning.
O princípio da precaução deve guiar a política ambiental.
The precautionary principle should guide environmental policy.
Specific policy term.
Eles discutiram os princípios fundamentais da metafísica.
They discussed the fundamental principles of metaphysics.
High-level academic discourse.
O princípio da boa-fé é essencial nos contratos.
The principle of good faith is essential in contracts.
Legal term 'boa-fé'.
Desde o seu princípio, a civilização busca justiça.
Since its beginning, civilization has sought justice.
Broad historical scope.
O princípio da separação de poderes evita a tirania.
The principle of separation of powers prevents tyranny.
Political science concept.
Não podemos comprometer nossos princípios por conveniência.
We cannot compromise our principles for convenience.
Moral imperative.
O princípio da causalidade é posto em causa pela física quântica.
The principle of causality is challenged by quantum physics.
Advanced scientific/philosophical critique.
A obra explora o princípio do prazer versus o da realidade.
The work explores the pleasure principle versus the reality principle.
Psychoanalytic terminology (Freud).
Aquele sistema axiomático repousa sobre um único princípio.
That axiomatic system rests upon a single principle.
Mathematical/Logical precision.
O princípio da subsidiariedade rege a União Europeia.
The principle of subsidiarity governs the European Union.
Complex geopolitical governance term.
É um princípio ontológico que define a existência.
It is an ontological principle that defines existence.
High-level philosophical adjective.
O princípio da entropia dita o destino do universo.
The principle of entropy dictates the fate of the universe.
Cosmological usage.
O autor reitera o princípio da alteridade em seu ensaio.
The author reiterates the principle of alterity in his essay.
Literary/Sociological terminology.
O princípio da legalidade estrita é o baluarte do Direito Penal.
The principle of strict legality is the bulwark of Criminal Law.
Specialized legal jargon.
Common Collocations
Summary
The word 'princípio' is essential for expressing both the chronological start of events and the moral foundations of actions. For example, 'No princípio do projeto' (at the start of the project) vs 'Por princípio' (as a matter of principle).
- Princípio means 'beginning' or 'start' in a temporal sense, such as the start of a year or a book.
- It also refers to 'principles' or 'values,' representing the moral rules that guide a person's behavior.
- In science and law, it denotes a fundamental law or doctrine, such as the Principle of Archimedes.
- Common phrases include 'no princípio' (at first) and 'em princípio' (theoretically or in principle).
Example
No princípio, tudo era silêncio.
Related Content
This Word in Other Languages
Related Phrases
More general words
a cerca de
B1About; approximately.
à direita
A2To the right side.
à esquerda
A2To the left side.
a fim de
A2in order to
à frente
A2In front of.
a frente
A2At or toward the front.
À frente de
A2In front of
a tempo
A2on time, punctually
à volta de
A2Around.
abaixo
A1At a lower level or layer than; below.
