Entry 1 sense Webster, 1913 Uproarious · Up·roar·i·ous · IPA /ˌʌpˈɹɔ.ɹi.əs/ 01 a. Making, or accompanied by, uproar, or noise and tumult; as, uproarious merriment. 1. Making, or accompanied by, uproar, or noise and tumult; as, uproarious merriment.