accidentally Copy link Outline 1. cāsū (abl. of casus2. fortĕ3. fortŭito, or fortŭitu • accidentally: 1. cāsū (abl. of casus: v. accident): to happen a., c. accidere, Nep.; c. evenire, Sen.: to fall to the ground a., c. procidere, Tac.: v. by chance. 2. fortĕ: it a. happened that, etc., f. evenit ut, etc., Cic.: v. to chance. 3. fortŭito, or fortŭitu: the house was in a blaze not a., domus ardebat non fortuito, Cic.: which expression did not, as often happens, escape you a., quod verbum tibi non excidit, ut saepe fit, fortuitu, Cic.: to fall a. (of lightning), fortuito cadere, Juv.: v. by chance, casually, at random. Join: casu et fortuito, Cic.: temere et fortuito, Cic.