RIOTOUSLY
exuberantly, riotously
(adverb) in an exuberant manner; “the exuberantly baroque decoration of the church”
tumultuously, riotously
(adverb) in a tumultuous and riotous manner; “the crowd was demonstrating tumultuously”
Source: WordNet® 3.1
Etymology
Adverb
riotously (comparative more riotously, superlative most riotously)
In a riotous manner.
In a manner that causes uncontrollable laughter.
Source: Wiktionary
RIOTOUS
Ri"ot*ous, a. Etym: [OF. rioteux.]
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. Partaking of the nature of an unlawful assembly or its acts;
seditious.
– Ri"ot*ous*ly, adv.
– Ri"ot*ous*ness, n.
Source: Webster’s Unabridged Dictionary 1913 Edition