unwarranted; excessive

undue haste.

inappropriate; unjustifiable; improper

undue influence.

not owed or currently payable.

adjective

moderate , reasonable , sensible

adjective

disproportionate , exceeding , exorbitant , extravagant , extreme , forbidden , illegal , ill-timed , immoderate , improper , inappropriate , inapt , indecorous , inept , inordinate , intemperate , needless , overmuch , sinister , too great , too much , unapt , uncalled-for , unconscionable , underhanded , undeserved , unfair , unfitting , unjust , unjustifiable , unjustified , unmeasurable , unreasonable , unseasonable , unseemly , unsuitable , untimely , unwarrantable , unwarrantednotes:undo means to reverse an action or thing; undue means \'inappropriate\' or \'excessive\' , overabundant , excessive , unnecessary , unwarranted , unworthy