Bueller
non-
stony-faced
h
nonresponse
if wishes were horses, beggars would ride
/dev/null
I beg your pardon
agape
no prize for guessing
no
well-meaning
come again
wait upon
unaware
stuff it
nix
ur
alternating
hummina
-less
privative
with it
default
vacuity
unminded
one moment, please
predisagreement
have to say for oneself
gag
rictus
abroad
agenticity
heterogram
nonselectivity
no dice
lose one's tongue
unavailing
keep someone on ice
futile
absentative
otiose
unwaited
by no stretch of the imagination
tantalising
ellipsis
bludge
go amiss
ineffectual
tantalizing
unsuspiciousness
meaningless
bup bup bup
ignoration
unrequited
whistle in the wind
fall flat
unthinking
unhappening
balk
hang back
plussed
preach in the desert
disvalue
so
good golly
nonomission
inauspiciousness
take it or leave it
not on your nelly
randomness
nullar
additive
responselessness
unpropitiousness
dis-
cloze
indifferent
disappointment
blank
can wait
no strings attached
poker face
catch napping
inexpressible
unmind
unexpressible
privative adjective
apport
one-note
uninteresting
took no notice of
misheed
more life in a tramp's vest
unheeded
put words in someone's mouth
I don't know
wear rose-colored glasses