ill-tempered Copy link Outline 1. īrācundus2. ămārus (bitter, sour)3. ăcerbus (sour, crabbed)4. stŏmăchōsus5. diffĭcĭlis, e (hard to please)6. mōrōsus • ill-tempered: 1. īrācundus: v. passionate. 2. ămārus (bitter, sour): old-age makes me more i., amariorem me senectus facit, Cic. Att. 14, 21: Ter. 3. ăcerbus (sour, crabbed): cf. Cic. N. D. 3, 31, 77: v. sour. 4. stŏmăchōsus: Cic.: Hor.: v. peevish. 5. diffĭcĭlis, e (hard to please): a i. old-man, d. senex, Ter. Heaut. 3, 2, 24: also, difficili natura [homo], Nep. Att. 5, init. Join: morosus et iracundus et difficilis, Cic. Sen. 18, 65. 6. mōrōsus: v. morose.