RichThesaurus
killjoy
killjoy
synonyms
spoilsport
wet blanket
party pooper
prophet of doom
buzzkill
pessimist
misery
moaner
sourpuss
prude
dampener
complainer
puritan
cynic
prig
defeatist
Miss Prim
worrier
schoolmarm
doomster
doom and gloom merchant
holy Joe
dog in the manger
Mrs. Grundy
downer
Cassandra
grouch
goody-goody
stick in the mud
bluenose
grump
mope
pietist
Grundy
old maid
miserabilist
fatalist
priggish person
goody two shoes
wowser
holy Willie
moral zealot
melancholiac
whiner
damper
party-pooper
moralist
misanthrope
grinch
moral fanatic
more synonyms
killjoy
antonyms
optimist
life of the party
party animal
live wire
life and soul of the party
Pollyanna