artful Antonyms

artless as thick as champ precipitously rough and ready uncontrived uncreative unimaginative unstilted untreated off-hand not the sharpest tool in the shed half-assed dumb as a box of rocks uneducated all thumbs all fingers and thumbs straightforwardly unpretending unforced as pure as the driven snow as dumb as a bag of hammers as dumb as a box of rocks as thick as a plank as thick as a brick as dumb as dirt as dumb as an ox as dumb as a sack of hammers as dumb as a post as dumb as a doornail as dumb as a doorknob very stupid too stupid stupid enough so stupid so dumb really dumb pretty stupid incredibly stupid extremely stupid unsubtle importunately jarring innocent ingenuous honest guileless genuine frankly forthright fallow