not within proper or reasonable limits; immoderate; excessive

He drank an inordinate amount of wine.

unrestrained in conduct, feelings, etc.

an inordinate admirer of beauty.

disorderly; uncontrolled.

not regulated; irregular

inordinate hours.

adjective

moderate , ok enough , reasonable , warranted

adjective

disproportionate , dizzying , exorbitant , extortionate , extreme , gratuitous , immoderate , intemperate , irrational , outrageous , overindulgent , overmuch , preposterous , supererogatory , superfluous , surplus , too much , towering , uncalled-for , unconscionable , uncurbed , undue , unmeasurable , unreasonable , unrestrained , untempered , unwarranted , wanton , wasteful , extravagant , overabundant , copious , disorderly , excessive , lavish