give the go-by
cut ties
break off
part company
Brexit
dump on
go their separate ways
dump
bust up
break with
throw over
part ways
unlove
swerve
unhug
bury
fall out of love
forsake
lift
break up
end
raise
kill off
put paid to
lay off
have done with
high-hat
suppress
take up with
give someone the cold shoulder
valedict
abrogate
give up
waive
leave someone in the lurch
call time
ring down the curtain
cold shoulder
snitch up
cut someone loose
goodbye
throw in the towel
conclude
want out
deromanticize
floor
get out of someone's face
besoul
leave
log off
get lost
turn in
mistryst
give over
renege
usher out
come to a close
run along
seclude
give someone the brush-off
dismiss
get off someone's back
expire
farewell
give the elbow
complete
brain
finish
cut bait
upstage
drift apart
can it
let someone go
betray
curve
adios
take against
broom
stop
unadopt
have it
bid adieu
sack off
gun down
abjure
give a sneck posset
punk out
leave someone holding the bag