killjoy, spoilsport, drag, wet blanket, party pooper, grouch, damper, sourpuss, buzzkill, stick in the mud, misery, wowser, dampener, malcontent, gloomer, doomer, stick-in-the-mud, dog in the manger, stuffed shirt, cold fish, curmudgeon, drip, nonparticipant, bore, fuddy-duddy, odd one out, downer, cold water, wet rag, poor sport, pessimist, moaner, complainer, mope, whiner, miserabilist, doomsdayer, Cassandra, prig, Jeremiah, prude, puritan, karen, prophet of doom, death's head at a feast, doom merchant, grump, bear, cynic, misanthrope … more

killjoys, spoilsports, drag, wet blankets, party poopers, grouches, sticks in the mud, sourpusses, dampers, buzzkills, wowsers, cold fish, misery, dampeners, stuffed shirts, stick-in-the-muds, malcontents, doomers, curmudgeons, nonparticipants, odd ones out, drips, bores, fuddy-duddies, poor sports, downers, wet rags, mopes, whiners, moaners, prigs, complainers, prudes, miserabilists, Jeremiahs, puritans, pessimists, Cassandras, prophets of doom, grumps, defeatists, naysayers, bears, cynics, melancholiacs, misanthropes, nihilists, worriers, doubting Thomases, grousers … more