credible Antonyms

incredible trustless unconceivable uncredible underhanded undreamed undreamt unlikely unreasonable unreliable questionable treacherous tall retrospective scheming shady shifty slippery specious squinter suspect unsound untrustworthy duplicitous undoable unimagined unsustainable untrusty wild-eyed absolutely impossible be of no value be worthless extremely difficult to believe undependable unconvincing nonrational unbelievable unthinkable beyond belief amazeballs away with the fairies butter wouldn't melt in someone's mouth without a doubt noncredible extremely unlikely abnormal deceptive demented derisory dishonest