Search Dictionary
Definition of defining

defining

/dɪˈfaɪ.nɪŋ/
de · fin · ing

JUMP TO:

defining Lexical Profile

defining Game Scores & Validity

• adjective

1

Critically important in determining the essential character, nature, or outcome of a person, period, or event.

Example

"Graduating from university was a defining moment in her professional journey."


2

Serving to distinguish, characterize, or identify the essential nature of something.

Example

"A long, curved bill is the defining feature of the curlew."

Synonyms
View all synonyms for defining
Antonyms
View all antonyms for defining

• Rhymes for defining

Word Origin & Etymology

Formed in English from the verb 'define', which comes via Old French from Latin 'definire' ('to limit, determine, or explain'), a compound of 'de-' ('completely') and 'finire' ('to bound or limit', from 'finis', meaning 'boundary or end').

Cite this Entry


Wordmom. (2026). Definition of Defining. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/defining
Built for writers, students, and competitive word game players, Wordmom combines an uncluttered English dictionary and thesaurus with fast, pattern-based word finders so you can verify definitions, synonyms, and high-scoring tile plays in one place.
Dictionary & Reference
© 2016–2026 Wordmom Network. All rights reserved. Made with for word lovers everywhere.
Disclaimer: SCRABBLE® is a registered trademark. All intellectual property rights in and to the game are owned in the U.S.A. and Canada by Hasbro Inc., and throughout the rest of the world by J.W. Spear & Sons Limited of Maidenhead, Berkshire, England, a subsidiary of Mattel Inc. Mattel and Spear are not affiliated with Hasbro. Words With Friends® is a registered trademark of Zynga Inc. Wordle® is a registered trademark of The New York Times Company. Other referenced game titles and tournament lexicon codes (including NASPA NWL and WESPA/HarperCollins CSW) are trademarks of their respective owners. Wordmom is an independent reference utility for educational and entertainment purposes and is not affiliated with, sponsored by, or endorsed by Hasbro, Mattel, Spear, Zynga, The New York Times Company, NASPA, WESPA, or HarperCollins Publishers. All game names are referenced strictly under nominative fair use to indicate compatibility.