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.

(archaic) To pledge.

plural of oath

Third-person singular simple present indicative form of oath

simple past tense and past participle of oath

present participle of oath

Inclined to swear oaths, or curse.

(medicine) An oath sworn by newly-qualified physicians that they will observe the medical ethics that derived from Hippocrates

A type of euphemism based on a profanity or blasphemy that has been altered to remove the objectionable characteristics of the original expression; polite expletive.

(Germanic paganism) A ring (particularly an arm ring) on which oaths are sworn.