Absurd synonyms such as crazy, astonishing, and barmy. Absurd is an adjective, and its antonyms are reasonable and sensible. Additionally, here are 35 synonyms for absurd and words similar to it.
Astonishing, barmy, crazy, daft, fantastic, farcical, foolish, grotesque, hare-brained, idiotic, illogical, imbecilic, implausible, inane, incongruous, incredible, insane, irrational, laughable, ludicrous, monstrous, nonsensical, outrageous, pointless, preposterous, ridiculous, risible, senseless, shocking, silly, stupid, unbelievable, unreasonable, and unthinkable.