Definitions

definitive

[dih-fin-i-tiv] / dɪˈfɪn ɪ tɪv /

ADJECTIVE

authoritative

Synonyms

STRONGEST

actual categorical clear-cut conclusive decisive definite exhaustive precise reliable specific ultimate unambiguous

WEAK

absolute closing complete completing concluding determining downright ending express final finishing flat out last limiting nailed down perfect plain real settling straight out terminal terminating

Antonyms

STRONGEST

ambiguous false imprecise indefinite inexact questionable uncertain vague

WEAK

incomplete inconclusive interim temporary unreliable

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Extreme efforts to “stage-manage” a student’s narrative can backfire, said Eric Tipler, author of “Write Yourself In: The Definitive Guide to Writing Successful College Admissions Essays.”

From The Wall Street Journal • Feb. 16, 2026

Definitive answers will likely only be clear in the most lopsided of contests by late Tuesday night.

From Los Angeles Times • Mar. 5, 2024

Definitive proof of civilian casualties is hard to establish.

From BBC • Mar. 23, 2023

Definitive numbers are hard to come by, but according to a guidebook published in 2020, there are approximately 25 routes on the myriad granite walls of Mulanje.

From New York Times • Nov. 15, 2022

Definitive list of things I want to do: 1.

From "Feed" by M.T. Anderson

Vocabulary lists containing definitive

New Shakespeare Lines Discovered?

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

G.1: Principles of Geography (Sources 1–14)

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Extremely Loud and Incredibly Close

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!