D defs.my
Entry 2 senses Webster, 1913

Riotous

/rī'-ət-əs/ · Ri·ot·ous · IPA /ˈɹaɪətəs/
01 a. Involving, or engaging in, riot; wanton; unrestrained; luxurious.
  1. 1.
    Involving, or engaging in, riot; wanton; unrestrained; luxurious.
    “The younger son . . . took his journey into a far country, and there wasted his substance with riotous living.” — Luke xv. 13.
  2. 2.
    Partaking of the nature of an unlawful assembly or its acts; seditious.