US: /ˈpɹɪnsəpəɫ/
UK: /pɹˈɪnsɪpə‍l/

English Vietnamese dictionary

principle /'prinsəpl/
  • danh từ
    • gốc, nguồn gốc, yếu tố cơ bản
      • the principle of all good: gốc của mọi điều thiện
    • nguyên lý, nguyên tắc
      • Archimedes's principle: nguyên lý Ac-si-mét
      • in principle: về nguyên tắc, nói chung
    • nguyên tắc đạo đức, phép tắc, phương châm xử thế
      • a man of principle: người sống theo nguyên tắc đạo đức (thẳng thắn, thực thà...)
      • to do something on principle: làm gì theo nguyên tắc
      • to lay down as a principle: đặt thành nguyên tắc
    • nguyên tắc cấu tạo (máy)
    • (hoá học) yếu tố cấu tạo đặc trưng

Advanced English dictionary

+ noun
1 [C, usually pl., U] a moral rule or a strong belief that influences your actions: He has high moral principles. + I refuse to lie about it; it's against my principles. + Stick to your principles and tell him you won't do it. + She refuses to allow her family to help her as a matter of principle. + He doesn't invest in the arms industry on principle.
2 [C] a law, a rule or a theory that sth is based on: the principles and practice of writing reports + The principle behind it is very simple. + There are three fundamental principles of teamwork. + Discussing all these details will get us nowhere; we must get back to first principles (= the most basic rules).
3 [C] a belief that is accepted as a reason for acting or thinking in a particular way: the principle that free education should be available for all children
4 [sing.] a general or scientific law that explains how sth works or why sth happens: the principle that heat rises + A tidal current turbine is similar in principle to a windmill.
Idioms: in principle
1 if something can be done in principle, there is no good reason why it should not be done although it has not yet been done and there may be some difficulties: In principle there is nothing that a human can do that a machine might not be able to do one day.
2 in general but not in detail: They have agreed to the proposal in principle but we still have to negotiate the terms.

Thesaurus dictionary

1 truth, given, precept, tenet, fundamental, grounds, law, rule, dictum, canon, doctrine, teaching, dogma, proposition, (basic) assumption, postulate, axiom, maxim, truism, guide, standard, criterion, model:
The perpetual-motion machine violates a basic principle of physics.
2 Often, principles. philosophy, code, attitude, (point of) view, viewpoint, sentiment, belief, credo, creed, idea, notion, ethic, sense of right and wrong:
He cynically conducts his life on the principle, 'Do unto others before they do unto you'. I am not sure I can condone his principles
3 (sense of) honour, uprightness, honesty, morality, morals, probity, integrity, conscience:
If you don't think him a man of principle, don't do business with him
4 in principle. on principle, in theory, theoretically, basically, fundamentally, at bottom, in essence, essentially, ideally:
I like your plan in principle, but in practice it cannot be accomplished that way.

Collocation dictionary

1 basic general rule


basic, broad, central, fundamental, general
the basic principles of car maintenance
| cardinal, essential, key | universal | democratic, legal, market, political, scientific, theoretical


establish, formulate, lay down | apply | explain


This principle applies to all kinds of selling.
| underlie sth, underpin sth
the principles underlying Western philosophy


in ~
I agree with you in principle, but we'll need to discuss the details.
| ~ behind
She went on to explain the principles behind what she was doing.

2 rule for good behaviour


high | guiding | Christian | moral
He was a man of high moral principles.


betray, compromise
I refuse to compromise my principles by eating meat.
| adhere to, stick to
She sticks to the principle that everyone should be treated equally.


against your ~s
Eating meat was against her principles.
| on ~
She's opposed to abortion on principle.


a matter of principle
They reject the proposal as a matter of principle.
| a person of principle
(= a person with high moral standards)

Concise English dictionary

+a basic generalization that is accepted as true and that can be used as a basis for reasoning or conduct
+a rule or standard especially of good behavior
+a basic truth or law or assumption
+a rule or law concerning a natural phenomenon or the function of a complex system
+rule of personal conduct
+(law) an explanation of the fundamental reasons (especially an explanation of the working of some device in terms of laws of nature)