talk to a brick wall
go-by
brush off
pretermit
cut someone cold
sniff
brush aside
open one's big mouth
closet case
dissemble
despise
ignoree
disacknowledge
DonoWall
reticence
shrug off
air
slighting
blank
talk at
honey badger
give the time of day
stuff it
so what
fashy
neglecter
who cares
principle of insufficient reason
turn a blind eye
spurner
big whoop
disregardable
unheed
butter wouldn't melt in someone's mouth
ignorable
nonsense
shush
withdraw
cold-shoulder
high-handed
pelf
cavalier
shut one's eyes
misattend
ignoration
to the exclusion of
voice in the wilderness
pay no heed
bastard
take it or leave it
give the go-by
dismissive
independent
laugh away
uncourteously
cut
fall on deaf ears
chopped liver
fuck this
swipe left
frown on
overlookable
apolitical
absently
ignoring
thoughtproof
pass over
sphinx
cashierer
have one's head up one's ass
strip away
cut someone dead
invisible
inertia
selflessly
objectify
par off
talk out of
blah blah blah
twit
unapologetically
wheesh
invalidation
turkey
joker
twirp
waste breath
sneak
unminded
twerp
look the other way
castoff
turn away
stand up to
loser
strike dumb
slumber
abnegator
detachment
gloss over