A curse.
The act of imprecating, or invoking evil upon someone; a prayer that a curse or calamity may befall someone.
A curse, a curse word.
A light, irreverent or insulting appeal to a deity or other entity.
A solemn pledge or promise that invokes a deity, a ruler, or another entity (not necessarily present) to attest the truth of a statement or sincerity of one's desire to fulfill a contract or promise.
A statement or promise which is strengthened (affirmed) by such a pledge.