Find Antonyms

def Antonyms

Opposite of def

Because the opposite of def shifts with each meaning, the antonyms and opposite words below are separated across 2 exact definitions and ranked by contrast strength.
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• adverb (Context 1)

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

Usage Example

"I will never be at the concert tonight if I finish my work on time."

Strong
never
doubtfully

• adjective (Context 2)

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

Usage Example

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

Strongest
wack
terrible
awful
Strong
uncool
lame

Similar words to def

Words similar to def shift depending on context. Common synonyms include:

definitely
dope
certainly
for sure
absolutely
surely
cool
excellent
See all synonyms of def

• Nearby Words

deere
deescalate
deescalation
def
deface
defacement
defacer

Cite this Entry

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