unsympathetic
vacuous
fuzzy
unforethoughtful
dull-witted
unimaginativeness
woolly-headed
whifty
vacuously
stumpiness
moony
twithought
doltish
twi-minded
fuzzified
heck-care
underimagined
anoetic
uncollected
forgetfulness
inconsideration
omphalocentric
cum grano salis
unthoughtful
thoughtlessly
unreflective
unneatness
foresightlessness
feeblemindedness
bland
inobservant
myopic
imaginationless
afterwit
unaware
apprehensiveness
jellybrain
frowstiness
mindless
with a grain of salt
not see straight
lightheadedness
few sandwiches short of a picnic
inconcinnity
nondiligence
unskeptical
dullness