simple
stupid
undiscerning
unsubdivided
abrupt
affectless
anesthetized
arctic
asleep
autistic
benumbed
bluff
blunt
blunt-edged
blunt-ended
blunt-pointed
blunt-witted
blunted
bluntish
boneheaded
callous
catatonic
chill
chilly
cloddish
cold
cold as charity
cold-blooded
coldhearted
cool
dead
deadened
dense
dim
dim-witted
dispassionate
doltish
dopey
drugged
dull
dull of mind
dull-edged
dull-headed
dull-pated
dull-pointed
dull-witted
dulled
dullish
edgeless
emotionally dead
emotionless
obtund
Embarrass
akin
apathetic
apt
deaf
inattentive
incompetent
indifferent
inept
naive
negligent
optimistic
perceptive
phlegmatic
reticent
soft
susceptible
torpid
unattractive
unconcerned
unmoved
unsympathetic
vulnerable
well-informed
Bruce
Chartreuse
Duce
Luce
Seuss
Spruce
Zeus
abstruse
abuse
boose
bruce
caboose
chartreuse
coos
deduce
deuce
diffuse
disabuse
disuse
duce
excuse
goose
hoose
induce
introduce
juice
loose
misuse
moose
mousse
noose
nous
overproduce
produce
profuse
recluse
reduce
reintroduce
reproduce
reuse
seduce
sluice
spruce
truce
use
yous