undue
1. [ adjective ] not yet payable
Synonyms: not_due
Examples:

"an undue loan"

Related terms: due
2. [ adjective ] not appropriate or proper (or even legal) in the circumstances
Examples:

"undue influence" "I didn't want to show undue excitement" "accused of using undue force"

Related terms: due law
3. [ adjective ] lacking justification or authorization
Synonyms: unwarranted unjustified
Examples:

"unreasonable searches and seizures" "desire for undue private profit" "unwarranted limitations of personal freedom"

Related terms: unreasonable
4. [ adjective ] beyond normal limits
Synonyms: excessive unreasonable inordinate
Examples:

"excessive charges" "a book of inordinate length" "his dress stops just short of undue elegance" "unreasonable demands"

Related terms: immoderate
Similar spelling:   unwed
  untie
  unite
  unawed
  unmade
  Uniate