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definitive

English → EnglishformalInstant · from the shared dictionary
Illustration of "definitive": The word "definitive" describes something that is the final, most authoritative, or complete version

What does "definitive" mean?

The word "definitive" describes something that is the final, most authoritative, or complete version of something. Imagine a reference book that is so comprehensive and accurate that no one needs to look at another book on the subject; that book is the definitive guide. It carries the weight of being the "last word" on a topic. In usage, it is often paired with nouns like "guide," "answer," or "proof." While "definite" just means clear or certain, "definitive" implies a level of excellence or finality that settles any lingering doubts or debates. It is a strong word, so it is best reserved for things that are truly considered the gold standard.

"definitive" in conversation

Discussing a travel guide

Is this the best book for planning a trip to Japan?

Is this the best book for planning a trip to Japan?

Absolutely. It's widely considered the definitive guide for first-time visitors.

Absolutely. It's widely considered the definitive guide for first-time visitors.

Used to emphasize that the guide is the most authoritative source available.

A heated debate

Do we have any evidence that the project will succeed?

Do we have any evidence that the project will succeed?

We don't have a definitive answer yet, but the early data looks promising.

We don't have a definitive answer yet, but the early data looks promising.

Used to express that a final, conclusive result has not been reached.

"definitive" in a sentence

  1. She gave a definitive answer to the question.

    She gave a definitive answer to the question.

  2. The study provides a definitive account of the history of the region.

    The study provides a definitive account of the history of the region.

  3. After years of research, he finally published the definitive biography of the artist.

    After years of research, he finally published the definitive biography of the artist.

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