adj. 25B6; adjective
that looks ridiculous : LAUGHABLE, absurd, comical, funny, hilarious, risible, droll, amusing, farcical, silly, ludicrous; rare derisible.
a ridiculous suggestion : SENSELESS, silly, foolish, foolhardy, stupid, inane, fatuous, childish, puerile, half-baked, hare-brained, ill-thought-out, crackpot, idiotic.
a ridiculous exaggeration : ABSURD, preposterous, ludicrous, laughable, risible, nonsensical, senseless, outrageous.
sensible.