a priori

a priori — adjective

IPA/ˌeɪ praɪˈɔː.raɪ/
IPA/ˌɑː priːˈɔːr.aɪ/

1. accepted, assumed, or present before you look at real experience or proof.

1.形容詞C2
釋義

accepted, assumed, or present before you look at real experience or proof.

例句

Talia's teacher called fairness an a priori idea in class.

a priori + idea in formal discussion

Liam questioned the a priori belief that rich children work less hard.

同義詞
  • presupposed

    neutral and broad; does not always carry the philosophical force of a priori

  • preconceived

    often negative; stresses a judgment formed too early

  • innate

    often describes natural qualities in people rather than formal knowledge claims

反義詞
  • empirical

    based on observation or experience

  • acquired

    learned through experience rather than assumed beforehand

文法句型

a priori + noun (idea, belief, truth, judgment)

be a priori

用法筆記

Common in philosophy and formal writing. Distinguish from sense 2: this sense focuses on what is accepted before experience, not on the reasoning process itself.

常見錯誤

The scientist reached an a priori result after ten years of field data.
The scientist reached an empirical result after ten years of field data.
💡a priori describes what is accepted before direct experience, not a conclusion built from observation.

2. worked out from general rules or known facts, not from direct observation or exp

2.形容詞C2
釋義

worked out from general rules or known facts, not from direct observation or experiment.

例句

Using a priori reasoning, Dario predicted the ice would melt indoors.

a priori reasoning = from known principles, not observation

The lawyer offered an a priori argument from cause to effect.

a priori + argument

同義詞
  • deductive

    closest in meaning; broader and less tied to philosophical language

  • theoretical

    broader; may mean based on ideas rather than practice without a strict reasoning chain

  • inferential

    more general; covers drawing conclusions without specifying the direction

反義詞
  • inductive

    builds a general rule from many examples

  • empirical

    based on direct observation or experiment

文法句型

a priori + reasoning

a priori + argument

a priori + conclusion

a priori + method

用法筆記

Often used in logic, philosophy, and formal argument. Distinguish from sense 1: this sense names a way of reasoning from general principles to a result.

常見錯誤

After seeing the same problem in fifty classes, the teacher made an a priori generalization.
After seeing the same problem in fifty classes, the teacher made an inductive generalization.
💡moving from many cases to a rule is inductive, not a priori.

a priori — adverb

IPA/ɐ pɹaɪˈɔːɹi/
IPA/ɐ pɹaɪˈɔːɹi/