(a.) Like an oaf; simple.

Boeotian all thumbs asinine awkward beef-brained beef-witted blockish blunderheaded blundering boorish bovine bumbling bungling butterfingered careless chumpish cloddish clownish clumsy clumsy-fisted cowish crass cumbersome dense doltish dullard dumb duncical duncish fat fingers all thumbs fumbling gauche gawkish gawky graceless gross ham-fisted ham-handed heavy-handed hulking hulky ineducable inelegant klutzy left-hand left-handed loutish lubberly lumbering lumpish maladroit opaque ponderous sloppy sottish stiff stupid thick uncouth ungainly ungraceful unhandy unteachable unwieldy wrongheaded