the lights are on but nobody's home
non-responder
nonresponder
impersonal
unfathoming
unsentient
responselessness
blind
nonresponsive
catch no ball
make nothing of
have someone there
a dumb priest never got a parish
underreact
unpersuading
misgrasp
do me a lemon
nonplussed
pull the other one, it's got bells on
non possumus
uncoping
nonresponding
underrespond
numb
stunned
dissatisfy
nice guys finish last
noncooperator
plead the Fifth
firm
unapprehending
unperceptiveness
disfavour
deaf
at loggerheads
nonreactor
nonconform
miss the point
uncooperation
deafening silence
unsympathizing
incompliable
inconsistency
mismeeting
unacknowledging
unmovable
reluctant dragon
stonewalling
tubelight
disattention
loss of consciousness
indiscernible
underresponsive
insensible
nontolerance
nonresponse
anticommunication
undetectable
absence
unenlightenment
dissonant
misreact
puzzlement
bewilderment
non-rational
befuddlement
mystification
spitelessness
go in one ear and out the other
heedlessness
inattentiveness
unresponding
misplease
misappreciative
bafflement
weak-mindedly
simpleton
obfuscation
blockish
nonreceptive
bemusement
dippy
stuff it
go over like a lead balloon
insensibility
fucking hell
nonrealization
confuddled
you snooze you lose
answerlessness
unassimilating
peccancy
inconstancy
misfit
nonreply
antisocial
stonewall
noncomprehender
uninterest
nonunison