definitive

/dɪˈfɪnətɪv/ (bre, ipa) · [dɪfˈɪnɪtɪv] /dɪˈfɪnətɪv/ (ame, ipa) · [dɪfˈɪnɪtɪv] /di-ˈfi-nə-tiv/ (ame, mw)

definitive — adjective

  • definitivepositive
  • more definitivecomparative
  • most definitivesuperlative

1. Settling an issue completely so that no further changes, arguments, or doubts re

1.形容詞C2
釋義

Settling an issue completely so that no further changes, arguments, or doubts remain.

例句

The court's definitive decision brought the case to a close after six years.

collocation: definitive decision

Scientists have yet to find definitive evidence of life on other planets.

collocation: definitive evidence

同義詞
  • conclusive

    Stronger emphasis on proving something beyond doubt; used mainly for evidence or proof

  • final

    Plainer and more common; simply means no more changes are possible

  • decisive

    Focuses on ending uncertainty or a contest; used for actions and results

反義詞

用法筆記

Frequently used in negative sentences or with words suggesting doubt ('no definitive answer', 'not yet definitive'). Common objects include 'ruling', 'evidence', 'proof', 'answer', 'decision', and 'agreement'.

常見錯誤

I need a definitive answer by tomorrow.' (meaning 'certain' or 'clear').
I need a definite answer by tomorrow.
💡'Definite' means certain or clear; 'definitive' means conclusive or final, which makes the sentence sound odd when talking about a quick deadline.
The instructions were definitive enough to follow.' (meaning 'precise').
The instructions were definite enough to follow.
💡For 'clearly stated', use 'definite'; 'definitive' carries a stronger sense of final authority.

2. Considered the most complete, accurate, and reliable example or source of its ki

2.形容詞B2
釋義

Considered the most complete, accurate, and reliable example or source of its kind — for example, the definitive guide to a country, or the definitive biography of a famous person.

例句

Her biography is considered the definitive account of the artist's life.

collocation: definitive account

Many chefs regard this cookbook as the definitive guide to Sichuan cuisine.

collocation: definitive guide

同義詞
  • authoritative

    Trusted as a reliable source; slightly more formal than 'definitive'

  • classic

    Serves as a standard model; often implies timelessness rather than authority

  • standard

    Widely accepted as the normal reference; less emphatic than 'definitive'

反義詞

用法筆記

Typically used with nouns for creative or scholarly works: 'guide', 'biography', 'study', 'edition', 'history', 'account', 'collection'. Implies that nothing better exists or is likely to exist.

常見錯誤

This is the definitive pizza in town.' (for 'best-tasting').
This is the best pizza in town.
💡'Definitive' implies completeness and authority, not just personal preference or quality.
She is the definitive expert on birds.
She is the leading expert on birds.
💡'Definitive' describes works, not people.

3. Expressed or described in a precise, exact way that leaves no room for confusion

3.形容詞C1
釋義

Expressed or described in a precise, exact way that leaves no room for confusion or doubt.

例句

The contract contains definitive language about each partner's financial duties.

collocation: definitive language

Jiwoo asked for definitive instructions before starting the lab experiment.

同義詞
  • precise

    Exact and accurate; less formal than 'definitive'

  • explicit

    Stated clearly with no room for confusion; common in instructions

  • specific

    Particular and detailed; broader in use than 'definitive'

反義詞
  • vague

    Not clearly stated or expressed

  • ambiguous

    Open to more than one interpretation

用法筆記

Common in formal, technical, or legal contexts where precision matters. Often collocates with 'language', 'definition', 'description', 'terms', 'boundaries', or 'limits'. Distinguish from sense 1: sense 3 emphasises clarity of expression, not finality of outcome.

常見錯誤

She gave a definitive plan for the project.' (no context of precision).
She gave a detailed plan for the project.
💡Use 'definitive' only when the emphasis is on exact, unambiguous specification.
We need definitive directions to find the house.' (meaning 'clear directions').
We need clear directions to find the house.
💡'Definitive' is too formal and authoritative for everyday instructions.