Dull

stupid dumb dense slow ignorant brainless dim simple daft moronic thick dim-witted obtuse doltish witless vacuous unintellectual simple-minded feeble-minded not bright numskulled imbecilic shallow addled backward half-baked scatterbrained sluggish stolid boring tedious wearisome insensate indolent besotted daffy low

indifferent apathetic unresponsive callous unsympathetic dead heavy stolid vacuous blank empty spiritless lifeless passionless sluggish slow torpid languid inert inactive listless placid flat even regular routine usual monotonous boring unexciting prosaic colorless jejune still stagnant quiet slack insensible impassible depressed lumpy accustomed

ordinary usual common familiar routine stale flat bland vapid insipid dry tedious tiresome monotonous repetitive repetitious hackneyed trite worn-out unimaginative uninspiring dreary dismal heavy prosaic prosy pointless stupid colorless plain tame dead arid blah humdrum ho hum soporific run-of-the-mill oft-repeated stock big yawn driveling jejune longwinded out-of-date archaic hoary prolix usual thing abused

blunt flat round unsharpened blunted obtuse pointless toothless edgeless not keen square unpointed turned edentate

boring usual routine quiet flat inactive slow lifeless stagnant sluggish languid listless placid still monotonous apathetic unexciting inert dead regular even blah draggy sitting tight slack tight torpid stolid without incident accustomed yawn falling off depressed unresponsive slothful