IRREVERENTLY
irreverently
(adverb) in an irreverent manner; “in the seventeenth century England had known fifty years of doctrinal quarrels and civil war; clergymen had been turned from their cures, and churches irreverently used”
irreverently
(adverb) without respect; “the student irreverently mimicked the teacher in his presence”
Source: WordNet® 3.1
Etymology
Adverb
irreverently (comparative more irreverently, superlative most irreverently)
In an irreverent manner.
Source: Wiktionary
Ir*rev"er*ent*ly, adv.
Definition: In an irreverent manner.
IRREVERENT
Ir*rev"er*ent, a. Etym: [L. irreverens, -entis: cf. F. irrévérent.
See In- not, and Reverent.]
Definition: Not reverent; showing a want of reverence; expressive of a want
of veneration; as, an irreverent babbler; an irreverent jest.
Source: Webster’s Unabridged Dictionary 1913 Edition