frustrate Copy link Outline 1. dĭrĭmo, ēmi, emptum, 3 (to break off, disconcert)2. discŭtio, ssi, ssum, 3 (to upset, "knock on the head")3. disturbo, 1 (to upset)4. in pass.; to be f.d5. also in pass. • frustrate: 1. dĭrĭmo, ēmi, emptum, 3 (to break off, disconcert): to f. an undertaking, rem susceptam d., Cic. Leg. 2, 12, 31: v. to break off (A. II.) N.B.--Not, of course, to be used with ref. to persons. 2. discŭtio, ssi, ssum, 3 (to upset, "knock on the head"): I had f.d the whole affair, rem totam discusseram, Cic. Q. Fr. 2, 12, init.: to f. the designs of the enemy, consilia hostium d., Front. Strat. 4, 7, 31. 3. disturbo, 1 (to upset): to f. a marriage, nuptias d., Ter. Andr. 1, 2, 11: to f. and pervert a law, legem d. atque pervertere, Cic. Agr. 2, 37, 101. 4. in pass.; to be f.d: frustra esse: no plan or undertaking of his was ever f.d, cujus neque consilium neque inceptum ullum f. erat, Sall. Jug. 7, extr.: Liv. 2, 25: we must exert ourselves that they may be f.d, annitendum est ut illi f. sint, Sall. Jug. 85, ad init.: v. to disappoint. 5. also in pass.: expr. by ad or in irritum and a verb: v. to fail (III, 5.). (N. B.--Not frustror in this sense: laborem frustrari however occurs in Col. pref. med.: in Cic. frustror is to disappoint, cheat, deceive.)