kill·​joy ˈkil-ˌjȯi How to pronounce killjoy (audio)
: one who spoils the pleasure of others

Example Sentences

I don't want to sound like a killjoy, but shouldn't we study tonight? his perpetually negative attitude made him a real killjoy when others were trying to have fun
Recent Examples on the Web She’s the office killjoy who adores Templeton (Dee), the officer from another precinct who is gunning for Emily’s job. Joe Otterson, Variety, 31 Oct. 2022 Ghilarducci is not aiming to be a killjoy just for the hell of it. Michael Hiltzik, Los Angeles Times, 30 Sep. 2022 Now for the killjoy: Pregnancy can cause your skin to go a little haywire. ELLE, 24 June 2022 Earles will play as Dewey Wood, the stone-faced, killjoy of a Camp Director of Camp Shallow Lake. Joe Otterson, Variety, 18 Jan. 2022 So sorry to be a killjoy, Hoosiers’ fans, but Michigan wins this one big. USA TODAY, 7 Nov. 2020 The bigger threat is the army of Halloween killjoys, sprinkled throughout neighborhoods, their houses often decorated for the holiday, the better to lure unsuspecting children to their doorsteps., 28 Oct. 2019 But as emissions rise, the killjoys are resorting to shame and repulsion as weapons against environmental evils. The Economist, 12 Dec. 2019 Sadly, the plan to use the full Formula 1 layout has been squashed by the killjoys at the FIA, for reasons that completely elude me. Jonathan M. Gitlin, Ars Technica, 14 Dec. 2018 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'killjoy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1776, in the meaning defined above

Time Traveler
The first known use of killjoy was in 1776

Dictionary Entries Near killjoy

Cite this Entry

“Killjoy.” Dictionary, Merriam-Webster, Accessed 28 Nov. 2022.

Kids Definition



kill·​joy ˈkil-ˌjȯi How to pronounce killjoy (audio)
: a person who spoils the pleasure of others

More from Merriam-Webster on killjoy

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