1) Absurd 2) Cockamamie 3) Cockamamy 4) Counterintuitive 5) Excessive 6) Exorbitant 7) Foolish 8) Goofy 9) Illogical 10) Immoderate 11) Indefensible 12) Inordinate 13) Insane 14) Irrational 15) Ludicrous 16) Outrageous 17) Perverse 18) Reasonless 19) Sappy 20) Senseless 21) Silly 22) Suspicious 23) Undue 1) Beyond normal limits 2) Counterintuitive 3) Illogical 4) Immoderate 5) Indefensible 6) Irrational 7) Mindless 8) Not reasonable 9) Not reasonable or rational 10) Not showing good judgment 11) Reasonless 12) Senseless 13) Undue 14) Unjustified 15) Unlogical 16) Untenable 17) Unwarranted 
• (a.) Not reasonable; irrational; immoderate; exorbitant.
[adj] - not reasonable 2. [adj] - absurd and inappropriate
adjective not reasonable; not showing good judgment
not reasonable or rational; acting at variance with or contrary to reason; not guided by reason or sound judgment; irrational: an unreasonable person. · not in accordance with practical realities, as attitude or behavior; inappropriate: His Bohemianism was an unreasonable way of life for one so rich. · excessive, immoderate, or exorbitan...