- having the nature of a riot
- engaging in rioting or inciting to riot
- without restraint; disorderly; boisterous
- dissolute; profligate: riotous living
- luxuriant or profuse
Origin of riotousMiddle English from Old French rioteus
- Of, relating to, or resembling a riot.
- Participating in or inciting to riot or uproar.
- Uproarious; boisterous: a riotous party.
- Dissolute; wanton: riotous living.
- Abundant or luxuriant: a riotous growth.
From riot + -ous.