(law, informal) A trial whose outcome comes down to which of two parties swearing to the truth of opposing accounts is to be believed.

Ellipsis of swear on a stack of Bibles.

(simile) To swear a lot; to utter many swear words.

To make a promise or give an assurance with great conviction.

(simile) Synonym of swear like a trooper

present participle of swear on a stack of Bibles.

(simile) Synonym of swear like a trooper

(archaic, simile) Synonym of swear like a trooper

present participle of swear like a trooper

present participle of swear like a pagan