Lewis & Short

aegrōto, āvi, ātum, 1, v. n. [aegrotus], to be ill, sick.

  1. I. Lit., of men and brutes: vehementer diuque, Cic. Clu. 62: gravissime aegrotans, id. Fin. 2, 13: graviter, id. Tusc. 1, 35: leviter, id. Off. 1, 24: periculose, id. Att. 8, 2: aegrotavit usque ad mortem, Vulg. Isa. 38, 1: aegrotare timenti, Hor. Ep. 1, 7, 4: morbo, id. S. 1, 6, 30: aegrotare coepit, Vulg. 2 Reg. 13, 6: quia armentum aegrotet in agris, Hor. Ep. 1, 8, 6.
    Of plants: (vites) aegrotant, Plin. 17, 24, 37, § 226: aegrotant poma ipsa per se sine arbore, id. 17, 24, 37, § 228.
  2. II. Fig.
    1. A. Of the mind: ea res, ex qua animus aegrotat, Cic. Tusc. 4, 37, 79: aegrotare animi vitio, Hor. S. 2, 3, 307.
    2. B. Of other abstr. things, to languish, etc. (cf. jaceo): in te aegrotant artes, Plaut. Trin. 1, 2, 34; 1, 1, 8: languent officia, atque aegrotat fama vacillans, duties are neglected, reputation sickens and staggers, * Lucr. 4, 1124.