Definition of "Curse" :

noun: profane or obscene expression usually of surprise or anger

noun: an evil spell

"A witch put a curse on his whole family."

noun: an appeal to some supernatural power to inflict evil on someone or some group

noun: a severe affliction

noun: something causing misery or death

verb: utter obscenities or profanities

verb: wish harm upon; invoke evil upon

"The bad witch cursed the child."

verb: heap obscenities upon

"The taxi driver who felt he didn't get a high enough tip cursed the passenger."

verb: exclude from a church or a religious community