Synonyms of immoderate

1 Syllable

steep

2 Syllables

lavish, direst, undue, ruinous, pricey, wanton, dizzying, plushier, direr, pricier, too-too, firstclass, plushy, drastic

3 Syllables

towery, egregious, upscale, fulsome, overmuch, plethoric, overkill, tumbledown, consuming, big-ticket, luxurious, towering, prodigals, profuse, pound-foolish, enormous, prodigal, overblown, wasteful, unbridled, uncurbed

4 Syllables

unjustified, excessive, undeserved, consumptive, unwarranted, profligate, uncalled-for, exorbitant, stratospheric, expensive, fanatical, extravagant, unbalanced, unrestrained, uncontrolled, unreasoned, untempered, profusive

5 Syllables

unreasonable, overindulgent, unconscionable, unmeasurable, superabundant, overabundant, recrementitious, dissipative, exaggerated, overgenerous, inordinate, intemperate, pleasure-loving

6 Syllables

annihilative