1. prevailing Usual (L. usus, use, habit, wont) signifies such as regularly or often recurs in the ordinary course of events, or is habitually repeated in the life of the same person. Ordinary (L. ordo, or Synonyms: usual, accustomed, everyday, general, ordinary, public, common, familiar, habitual, prevailing, regular, customary, frequent, normal, prevalent, wonted Antonyms: exceptional, infrequent, rare, strange, unparalleled, extraordinary, out-of-the-way, singular, uncommon, unusual