piquant Antonyms

not the full shilling thickheaded boneheaded flavorless dopey empty-headed barmy wooden witless vapid vacuous thick wooden-headed moronic dunce-like unstimulating soft in the head pig-ignorant pea-brained muttonheaded lamebrained unintelligent imbecilic dunderheaded birdbrained stingless slow-witted dull dozy doltish dim dense daft cretinous crazy chuckleheaded brainless bovine dull-witted dumb slow simple-minded repetitive repetitious obtuse mindless imbecile ignorant idiotic half-witted