Synonyms for (adjective) unreasonable

Synonyms: excessive, inordinate, undue, unreasonable

Definition: beyond normal limits

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

Similar words: immoderate

Definition: beyond reasonable limits

Usage: immoderate laughter; immoderate spending


Synonyms: unreasonable

Definition: not reasonable; not showing good judgment

Similar words: counterintuitive

Definition: contrary to what common sense would suggest


Similar words: untenable, indefensible

Definition: (of theories etc) incapable of being defended or justified


Similar words: reasonless, mindless, senseless

Definition: not marked by the use of reason

Usage: mindless violence; reasonless hostility; a senseless act


Similar words: unwarranted, undue, unjustified

Definition: lacking justification or authorization

Usage: desire for undue private profit; unwarranted limitations of personal freedom