EXTRAVAGANTLY

lavishly, richly, extravagantly

(adverb) in a rich and lavish manner; “lavishly decorated”

abundantly, copiously, profusely, extravagantly

(adverb) in an abundant manner; “they were abundantly supplied with food”; “he thanked her profusely”

extravagantly, lavishly

(adverb) in a wasteful manner; “the United States, up to the 1920s, used fuel lavishly, mainly because it was so cheap”

Source: WordNet® 3.1

Etymology

Adverb

extravagantly (comparative more extravagantly, superlative most extravagantly)

With lavish expenditure or behaviour.

Source: Wiktionary

Ex*trav"a*gant*ly, adv.

Definition: In an extravagant manner; wildly; excessively; profusely.

EXTRAVAGANT

Ex*trav"a*gant, a. Etym: [F. extravagant, fr. L. extra on the outside + vagance, , p. pr. of vagari to wander, from vagus wandering, vague. See Vague.]

1. Wandering beyond one's bounds; roving; hence, foreign. [Obs.] The extravagant and erring spirit hies To his confine. Shak.

2. Exceeding due bounds; wild; excessive; unrestrained; as, extravagant acts, wishes, praise, abuse. There appears something nobly wild and extravagant in great natural geniuses. Addison.

3. Profuse in expenditure; prodigal; wasteful; as, an extravagant man. "Extravagant expense." Bancroft.

Ex*trav"a*gant, n.

1. One who is confined to no general rule. L'Estrange.

2. pl. (Eccl. Hist.)

Definition: Certain constitutions or decretal epistles, not at first included with others, but subsequently made a part of the canon law.

Source: Webster’s Unabridged Dictionary 1913 Edition