ri ‧ ot ‧ ous /ˈraɪətəs/ BrE AmE adjective [usually before noun] formal
1 . noisy, exciting, and enjoyable in an uncontrolled way SYN wild :
a riotous party
2 . noisy or violent, especially in a public place:
Their riotous behaviour led to their arrest.
—riotously adverb