(a.) Not irritable; esp. (Physiol.), incapable of being stimulated to action, as a muscle.

Boeotian Brahman Indian buffalo asinine aurochs beef beef cattle beef-brained beef-witted beeves bison blockish bossy bovid bovine animal buffalo bull bullock calf caprid caprine carabao cattle chumpish cloddish complacent cow cowish cowlike crass critter dairy cattle dairy cow deerlike dense dispassionate dogie doltish dull dullard dumb duncical duncish equestrian equine even-tempered fat goatish goatlike gross heifer hircine hoggish hoofed hornless cow horsy impassive imperturbable ineducable inexcitable inirritable kine klutzy leppy lumpish maverick milch cow milcher milk cow milker muley cow muley head mulish musk-ox neat oafish opaque ovine ox oxen patient piggish ruminant self-complacent self-content self-contented self-satisfied sheepish sheeplike smug sottish steady steer stirk stoic stolid stot stupid swinish thick undisturbable unflappable ungulate unirritable unnervous unpassionate unteachable wisent wrongheaded yak yearling zebu