dull
Boeotian
Brahman
Indian buffalo
asinine
aurochs
bee
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
dullard
dumb
duncical
duncish
equestrian
equine
even-tempered
fat
goatish
benignant
bullheaded
contemptuous
drug-resistant
expressionless
feline
feral
imperturbable
inarticulate
incurious
lethargic
phlegmatic
querulous
spongiform
stoical
stolid
sulky
supercilious
uncomprehending
unimaginative
unladylike
unruffled