Lewis & Short

morbĭdus, a, um, adj. [morbus].

  1. I. Sickly, diseased (rare and only ante-class. and post-Aug.; syn. aeger, aegrotus): apes morbidae, Varr. R. R. 3, 16, 22: corpus, Plin. 8, 26, 40, § 96.
  2. II. Sickly, unwholesome: vis, Lucr. 6, 1225: aër, id. 6, 1097: pars, id. 6, 1261.