killjoy

K5I1L1L1J8O1Y4
Canada, US/ˈkɪlˌd͡ʒɔɪ/

noun

A person who is anti-fun, or prevents others from having fun.

UncommonScrabble 21

Meanings

nounkilljoy (plural killjoys)

plural killjoys · alternative KJ

  1. derogatoryoccasionally endearingA person who is anti-fun, or prevents others from having fun.

    Make a noise with your toys And ignore the killjoys ‘Cos it’s cliched To be cynical At Christmas

    1993, “It's Cliched To Be Cynical At Christmas”, in Trouble Over Bridgwater, performed by Half Man Half Biscuit
    4 more examples

    “If you mean me, sir, I call you and every one else to the inspection of my professional life. As to Christian or unchristian, I repudiate your canting palavering Christianity; and as to the way in which I spend my income, it is not my principle to maintain thieves and cheat offspring of their due inheritance in order to support religion and set myself up as a saintly Killjoy....”

    1871, George Eliot, Middlemarch

    What kill-joy have we here? […] I feel it in my bones some rascal is come to Galing, one that bringeth ill hap in his pocket and a shadow athwart the sun on this our day of festival.

    1922, E[ric] R[ücker] Eddison, The Worm Ouroboros: A Romance, London: Jonathan Cape […], →OCLC, page 7

    He stalked behind her simple narrative, a kill-joy parent, hasty, intolerant, keeping a special cane to enforce the authority of his sadistic God[.]

    1930, Norman Lindsay, Redheap, Sydney, N.S.W.: Ure Smith, →OCLC, page 123

    December 10 2005, Sam Murphy in The Guardian, A sober thought Just in time for the party season, some old killjoys at the journal Medicine & Science In Sports & Exercise have released their findings on the effects on muscle of prolonged heavy alcohol intake (six weeks is prolonged, apparently). The bad news is that it seems too much boozing puts all that effort in the gym to waste - in the study, alcohol prevented the usual resistance-training-induced muscle response that leads to increased size and strength.

    Synonyms: buzzkill, miserabilist, dampener, party pooper, spoilsport, fun police

Synonyms & antonyms

nounA person who is anti-fun, or prevents others from having fun.

More synonyms by meaning

nounsomeone who spoils the pleasure of others

Broader
unwelcome personpersona non grata

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From kill + joy, first attested in 1776.

Full word history & related roots →

Rhymes & wordplay

Rhymes with killjoy

All rhymes →
Cite this entry
APA

killjoy. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/killjoy

MLA

“killjoy.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/killjoy. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “killjoy,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/killjoy.

Source: killjoy on Wiktionary, CC BY-SA 4.0.