1.not reasonable; not showing good judgment
2.pungent adjectives of disesteem;
gave me a cockamamie reason for not going
3.absurd and inappropriate;
the unreasonable nimbus of romance with which she had encircled that man- Thomas Hardy
4.beyond normal limits;
excessive charges
5.inconsistent with reason or logic or common sense;
the absurd predicament of seeming to argue that virtue is highly desirable but intensely unpleasant- Walter Lippman