1. (a.) Absurd and laughable; unworthy of serious consideration; as, a ridiculous dress or behavior\.

2. (a.) Involving or expressing ridicule.

a bit thick a bit thin absurd amusing antic barred beyond belief bizarre closed-out cockamamie comic comical contrary to reason crazy doubtable doubtful droll dubious dubitable eccentric excluded extravagant fantastic farcical foolish funny grotesque hard of belief hard to believe high-flown hilarious hopeless humorous implausible impossible improper inane inconceivable incongruous incredible indecent indelicate insane laughable logically impossible ludicrous malodorous mirthful monstrous nonsensical not deserving belief not possible open to doubt open to suspicion outlandish outrageous outre oxymoronic paradoxical passing belief poppycockish preposterous priceless problematic prohibited quaint queer questionable quizzical rich risible rough ruled-out screaming self-contradictory silly staggering belief stupid suspect suspicious tall thick thin unbecoming unbelievable unconvincing undecorous unearthly ungodly unimaginable unseemly unthinkable unworthy of belief weird whimsical wild witty zany