blunder (v.) Copy link Outline I. To mistake grossly1. offendo, di, sum, 32. lābor, lapsus, 33. pecco, 14. erro, 1II. To blunder on, i. e. to hit upon accidentally • blunder (v.): I. To mistake grossly: 1. offendo, di, sum, 3: in conducting causes very many things are to be considered lest you b. in any respect, permulta sunt in causis circumspicienda ne quid offendas, Cic. 2. lābor, lapsus, 3: to b. over a word, in verbo l., Ov.: to b. and fail over a thing, in aliqua re l. et cadere, Cic.: v. to err. 3. pecco, 1: v. blunder (subs.), fin. 4. erro, 1: v. to err, mistake. II. To blunder on, i. e. to hit upon accidentally: Phr.: in speaking we often b. upon verses, versus in oratione saepe per imprudentiam dicimus, Cic.: the old man has b.'d upon a correct description of their doings, probe horum facta imprudens depinxit senex, Ter.: he b.s now and then upon the truth, *in veritatem nonnunquam temere incurrit (based on Cic.).