wasteful, esp of money
profuse
unreasonably high in price; exorbitant
lacking in moderation, balance, and restraint; excessive
extravagant praise
excessively elaborate or showy
extravagance noun
extravagancy noun
extravagantly adv
[early French extravagant wandering, irregular, from medieval Latin extravagant-, extravagans, from extra- + Latin vagant-, vagans, present part. of vagari to wander about]