1. jinx - Noun
2. jinx - Verb
3. jinx - Interjection
a person believed to bring bad luck to those around him
cast a spell over someone or something; put a hex on someone or something
an evil spell
foredoom to failure
Source: WordNetI've seen it too many times in Hollywood. Talking about a relationship in public can jinx it. And if you have your picture taken together, you might as well start packing your bags. Gina Gershon
Talking about relationships is a surefire way to jinx them. Maggie Grace
At this point, I wouldn't want to jinx it by meeting him. His arrangements are incredible. I just send him a tape, we talk on the phone, and he sends me the finished orchestra tracks. Hear that? I'm gonna get that chord on the radio! Prince (musician)
That Oscar can be a jinx... It can... damage irreparably one's relations with family, friends. It's an uneasy head that wears the crown. Joan Fontaine
I write a good amount. I've been gathering up a backlog of stuff and maybe I'll do something with it someday, but I don't want to talk about it just yet because that would jinx it. Macaulay Culkin
a witch put a curse on his whole family Source: Internet