Find Antonyms
killjoy Antonyms
Opposite of killjoy
Pinning down the opposite of killjoy requires matching its exact sense, so the antonyms and opposite words below are paired with a clear noun definition and ranked by contrast strength.
• noun (Context 1)
A person who deliberately spoils or dampens the enjoyment, enthusiasm, or pleasure of others.
Usage Example
"Everyone was enjoying the lively celebration until he acted like a total enthusiast and complained about the music."
Strong
enthusiast
Weak
reveler
Similar words to killjoy
Words similar to killjoy shift depending on context. Common synonyms include:
spoilsport
wet blanket
party pooper
buzzkill
sourpuss
curmudgeon
grouch
grump
Cite this Entry
Wordmom. (2026). Antonyms for Killjoy. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/antonyms/killjoy