1) Beyond normal limits 2) Exaggerated 3) Exaggerated and excessive 4) Exceeding what is appropriate 5) Excessive and improper 6) Greater than is reasonable 7) Ill-deserved 8) Immoderate 9) Improper 10) Inappropriate 11) Inappropriately excessive 12) Inordinate 13) Kind of influence 14) Lacking justification 1) Excessive 2) Extreme 3) Immoderate 4) Inordinate 5) Rash 6) Unfair 7) Unjust 8) Unjustified 9) Unreasonable 
• (a.) Not right; not lawful or legal; improper; as, an undue proceeding. • (a.) Not due; not yet owing; as, an undue debt, note, or bond. • (a.) Not agreeable to a rule or standard, or to duty; disproportioned; excessive; immoderate; inordinate; as, an undue attachment to forms; an undue rigor in the execution of law.Undue: words in...
More than necessary; excessive.
[adj] - lacking justification or authorization 2. [adj] - not appropriate or proper (or even legal) in the circumstances 3. [adj] - not yet payable
not due adjective not yet payable; `an undue loan`
unwarranted; excessive: undue haste. · inappropriate; unjustifiable; improper: undue influence. · not owed or currently payable.