find wanting
not so hot
nongood
not much cop
undersatisfied
nearly never bulled a cow
underwhelm
indifferent
ungreat
halt
unpleasant
unexcellent
nonratable
oversour
bollocks up
nonsatisfied
poorlyish
nonsmooth
mal-
disimprovement
declensionist
go wrong
nonhappy
nonsmoothly
unideal
unskilled
nonideal
uncheerful
nonfavorable
incompetent
backfire
nonsatisfying
skunk
conflicting
bite the big one
unappeasable
unflattered
unsuccess
require improvement
gimcrack
misplease
weak-mindedly
nonimpressed
undertoned
disimprove
scantle
unbeneficial
undelighted
insufficiently
unfantastic
unideally
bootylicious
travesty
after a fashion
average
unsatisfy
unflattering
unsatisfiable
ill-considered
punk
faulty
pessimism
twaddlingly
underchallenge
unrelishable
shabby
go off the boil
scundered
inefficacious
unsplendid
noneffective
skip a beat
nonperfect
uncompetitiveness
successlessness
nonfulfilling
weakening
uncontented
uncontentable
sour
unnicely
nongoodness
unconsolable
impaired
unfairminded
underrestrain
suck cock
curdle
undersaturate
drop behind
unimpress
meanly
hardscrabble
unsaturable
disappointingly
unlaudatory
leave a lot to be desired
gutsy
reputeless