disenchant
balk
betray
fail
mock
swindle
dispraisingly
deflate
dissonate
decryingly
negative
disbowel
discomposingly
disapprobatory
besmutch
tar
disquietive
foul
flat out
let down
demoralising
disadvise
unlodge
disavouch
despiteous
piss on someone's bonfire
thumb down
dispiritment
deincentivize
disquietly
rain on someone's parade
disapprobative
bestrut
denumber
improbatory
piss in someone's cornflakes
exheredate
disheartenment
misfavor
crushingly
dash
miscredit
frown at
bring under
frown upon
misplease
disappointedly
hot dog
begeck
impingingly