Meaning & use
killjoy
A person who spoils the enjoyment or fun of others, often by being overly serious or critical.
See it in a sentence
Don't be a killjoy; let the kids stay up late for the fireworks tonight.
He earned a reputation as the office killjoy for constantly rejecting fun ideas.
A note on using this word
Informal and mildly disapproving; used almost always about someone else's perceived negativity.
Words with a similar meaning
spoilsportparty pooperwet blanket
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
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