Synonyms of cockamamie

1 Syllable

wild, mad, wrong

2 Syllables

wacky, kooky, silly, raving, foolish, distraught, stupid, loony, nutty, absurd, flaky, freaky, brainless, mindless, unsound, specious, crazy

3 Syllables

unstable, disjointed, off-the-wall, sophistic, insane, fallacious, invalid, unwise, unthinking, delirious, demented, aberrant, reasonless

4 Syllables

irrational, imbecilic, ridiculous, nonsensical, unreasoning, preposterous, injudicious, disconnected, incoherent

5 Syllables

unreasonable, unbelievable