Lewis & Short

exsē̆crābĭlis (execr-), e, adj. [exsecror].

  1. I. Pass., execrable, accursed, detestable: exsecr. ac dirum solum, Val. Max. 1, 1, 15: nihil exsecrabilius, Plin. 9, 48, 72, § 155; Vulg. Levit. 11, 23 al.
  2. II. Act., execrating: praeeuntibus exsecrabile carmen sacerdotibus, the song of cursing, of execration, Liv. 31, 17, 9: odium, i. e. raging, fearful, id. 9, 26, 4.
    Adv.: exsē̆crābĭlĭter, execrably (only in comp.): tanto exsecrabilius me oderam, Aug. Conf. 8, 7.