Definition of jinx
- jinx Noun A hex; an evil spell.
- jinx Noun A person or thing supposed to bring bad luck.
- jinx Verb To cast a spell on.
- jinx Verb To bring bad luck to.
- jinx Interjection Used after the same response is said by two people simultaneously. Often, a game is played where the person who failed to say "jinx" first becomes "jinxed", whereby they cannot speak until someone says their name.