a. [ OF. rioteux. ] 1. Involving, or engaging in, riot; wanton; unrestrained; luxurious. [ 1913 Webster ]
The younger son . . . took his journey into a far country, and there wasted his substance with riotous living. Luke xv. 13. [ 1913 Webster ]
2. Partaking of the nature of an unlawful assembly or its acts; seditious. [ 1913 Webster ]
-- Ri"ot*ous*ly, adv. -- Ri"ot*ous*ness, n. [ 1913 Webster ]