I. Pass., unmentionable, indescribable = ἀδιήγητος: “spurcidioi versus immemorabiles,” i. e. unworthy to be mentioned, Plaut. Capt. prol. 56: “spatium,” Lucr. 6, 488.—*
II. Act., that will not tell any thing, speechless, silent: “anus,” Plaut. Cist. 2, 2, 3.