offensive
unpalatable
abhorrent
abominable
bitter
detestable
disagreeable
disgusting
dislikable
displeasing
dissatisfactory
flat
flavorless
foul
foul-tasting
fulsome
galling
grievous
hateful
ill-flavored
insipid
intolerable
loathsome
mislikable
nasty
nauseating
nauseous
objectionable
obnoxious
odious
painful
repellent
repugnant
repulsive
revolting
savorless
sour
tasteless
thankless
ugly
unalluring
unappealing
unappetizing
unattractive
Embarrass
confuse
disappoint
disconcert
gratify
inappropriate
inconvenient
injurious
irksome
irritate
ludicrous
unpopular
unsatisfactory
unwelcome
tasteful
wasteful
pleasant
pleasing