oxўmōrus

a, um, adj.
I. acutely silly: oxymora verba, expressions which at first sight appear absurd, but which contain a concealed point; so especially of such apparently contradictory assertions as: cum tacent clamant, etc. (Cic. Cat. 1, 8, 21), Pseudo Ascon. ad Cic. Div. in Caecil. 1.
Lewis & Short
A Latin Dictionary, 1879
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