sickly (adj.) Copy link Outline I. In a somewhat unsound and unhealthy condition1. morbōsus (rarely used of persons)2. morbĭdus (rare, and not found of persons)3. expr. by ad aegrotandum proclivis (but only when speaking of persons)4. sometimes infirmus, invalidus, imbecillus, may serveII. Liable to bring on a feeling of sickness • sickly (adj.): I. In a somewhat unsound and unhealthy condition: 1. morbōsus (rarely used of persons): let him sell an old slave, or a s. slave, servum senem, servum m. vendat, Cato R. R. 2, extr. 2. morbĭdus (rare, and not found of persons): s. bees, apes m., Varr. R. R. 3, 16, 22: a s. body, corpus m., Plin. 8, 26, 40. 3. expr. by ad aegrotandum proclivis (but only when speaking of persons): cf. Cic. Tusc. 4, 12, 27, and 28. 4. sometimes infirmus, invalidus, imbecillus, may serve: v. weak, ailing. Phr.: he was always s., semper infirma atque etiam aegra valetudine fuit, id. Brut. 48, 180. II. Liable to bring on a feeling of sickness: perh. fastīdiendus: Plin. 25, 7, 31.