STUMBLE Copy link • STUMBLE 1. v. PROP., pedem offendere: vestigio falli (to slip, make a false step): labi (to stumble so as to fall). To stumble against or upon, incurrere in aliquid: offendere ad aliquid (general term, to strike against); allidi ad aliquid (to be dashed against with violence): to stumble blindly upon anybody, caeco impetu incurrere in aliquem. ImPROP., To stumble upon anything (= fall upon anything, meet with it accidentally), imprudentem incidere in aliquid (with adverb, huc, etc., Cic., of stumbling on a word he did not intend to use, Verro, 2, 4, 20); de improviso incidere in aliquem (Cic., of stumbling on a person). 2. s. offensio pedis: lapsus.