An-tiphra'sis, n.

n. [Gr. ἀντιφράσις, from ἀντιφράζειν, to express by antithesis or negation, from ἀντί, against, and φράζειν, to speak; φράσις, way of speaking.] (Rhet.) The use of words in a sense opposite to their proper meaning; as when a court of justice is called a court of vengeance.