unattractive
unseductive
untempting
abhorrent
bitter
disagreeable
dislikable
displeasing
distasteful
foul-tasting
ill-flavored
intolerable
mislikable
odious
repellent
sour
thankless
ugly
unalluring
unappealing
unappetizing
uncongenial
undelectable
undelicious
undesirable
unengaging
unenjoyable
unlikable
unlovable
unpalatable
unpleasant
unpleasing
unsavory
untasteful
untasty
unwelcome
arid
barren
cheerless
chilly
colorless
desolate
drab
inhospitable
lifeless
repulsive
swampy
unfavourable
uninteresting
unlovely
unprofitable
unpromising
benighting
biting
citing
delighting
exciting
fighting
igniting
inciting
indicting
inviting
kiting
lighting
nonbiting
overexciting
overwriting
reciting
reigniting
reuniting
rewriting
sighting
siting
slighting
underwriting
unexciting
uniting
whiting
writing