Lewis & Short

pĕr-ōdi, ōsus, ōdisse, v. a.,

  1. I. to hate greatly, to detest (not in Cic. or Cæs.): plebs consulum nomen perosa erat, Liv. 3, 34, 8 Drak.: omnes, qui legitimam disciplinam non sint perosi, Quint. 1, 10, 30; Col. 9, 5, 2: populum Romanum perosi sunt, Aug. ap. Suet. Tib. 21: culpam, Manil. 5, 409.
    Usually,
  2. II. In part. perf.: pĕrōsus, a, um.
    1. A. In act. signif., detesting, hating greatly: lucem perosi, Verg. A. 6, 435: genus omne Femineum, id. ib. 9, 141: Creten longumque perosus Exsilium, Ov. M. 8, 183: ignem, id. ib. 2, 379: opes, id. ib. 11, 146: Achillem, id. ib. 12, 582; 14, 693; id. Tr. 4, 4, 81: superbiam regis, Liv. 3, 39, 4; Col. 8, 8, 6; 8, 11, 16; Curt. 5, 12, 10; Tac. A. 4, 67; 14, 26; 16, 14; id. H. 2, 16; Plin. Ep. 8, 18, 4: perosus decemvirorum scelera, Liv. 3, 58, 1; Val. Max. 3, 3, 1; Prud. στεφ 3, 41.
    2. B. In pass. signif., thoroughly hated or hateful (post-class.): thalami, Juvenc. 3, 482: deo, Tert. Poen. 5.
      Comp.: veritas tanto perosior quanto plenior, Tert. Anim. 1 fin.: nihil deo perosius gloria, id. Virg. Vel. 16.
      Hence, adv.: pĕrōsē, hatefully, App. Mag. 38.