Find Synonyms

def Synonyms

Another word for def

Choosing another word for def depends on context, so the 12 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
JUMP TO:

• adverb (Context 1)

(informal, chiefly in text messaging and online communication) Definitely; certainly.

Usage Example

"I will definitely be at the concert tonight if I finish my work on time."

Strongest
definitely
certainly
surely
absolutely
for sure

• adjective (Context 2)

(slang, originally hip-hop) Excellent, cool, or first-rate.

Usage Example

"The DJ played some really dope beats at the block party last night."

Strongest
dope
cool
excellent
fresh
Strong
awesome
first-rate
superb

Opposites of def

The opposite of def shifts depending on context. Common opposites include:

wack
awful
terrible
never
uncool
lame
doubtfully
See all opposites of def

Cite this Entry


Wordmom. (2026). Synonyms for Def. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/def
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.