- riotous (adj.)
[riotous 词源字典]
- mid-14c., "troublesome, wanton, extravagant," from Old French riotos "argumentative, quarrelsome," from riote (see riot (n.)). Meaning "tumultuous, turbulent" is mid-15c. Related: Riotously; riotousness.[riotous etymology, riotous origin, 英语词源]