- excessive, extravagant, exuberant, overweening - unrestrained in especially feelings; "extravagant praise"; "exuberant compliments"; "overweening ambition"; "overweening greed"
Antonym: restrained (indirect, via unrestrained)
- extravagant, prodigal, profligate, spendthrift - recklessly wasteful; "prodigal in their expenditures"
Antonym: thrifty (indirect, via wasteful)