party pooper

noun 0.698

killjoy

noun 0.644

wowser

noun 0.640

damp squib

noun 0.606

sourpuss

noun 0.584

dampener

noun 0.583

blanket

noun 0.572

stick in the mud

noun 0.571

downer

noun 0.563

damper

noun 0.561

electric blanket

noun 0.550

blanker

noun 0.550

blankie

noun 0.543

whiner

noun 0.538

security blanket

noun 0.536

cold fish

noun 0.536

grumbler

noun 0.526

crybaby

noun 0.526

snubber

noun 0.526

complainer

noun 0.521

pessimist

noun 0.521

tattletale

noun 0.521

naysayer

noun 0.520

wet

noun 0.518

damp

noun 0.518

smother

noun 0.515

whinger

noun 0.512

windbag

noun 0.511

bearer of bad news

noun 0.509

slowcoach

noun 0.506

suppressor

noun 0.506

worrywart

noun 0.506

fly in the ointment

noun 0.506

snoozer

noun 0.504

depressant

noun 0.504

grump

noun 0.502

nagger

noun 0.502

dead weight

noun 0.502

wet fish

noun 0.501

curmudgeon

noun 0.501

detractor

noun 0.501