cockamamie, absurd, beyond belief, bizarre, crazy, extravagant, fantastic, foolish, grotesque, high-flown, incredible, laughable, ludicrous, monstrous...
This is <span class="searchmatch">Moby</span> <span class="searchmatch">Thesaurus</span> <span class="searchmatch">II</span>, a public domain <span class="searchmatch">thesaurus</span>....