1. 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.
1. a person believed to bring bad luck to those around him
Similar word(s): jonah
2. an evil spell
1. cast a spell over someone or something; put a hex on someone or something
2. foredoom to failure
- This project is jinxed!