lost
unburdensome
unprofitably
profitlessly
unenriching
gainlessly
wasted
unexacting
undemanding
nondiscountable
unjoyous
nonpalpable
ingrateful
undiscounted
unselfish
squandered
unattaining
untaking
unvaluable
undesirous
unthankful
unencouraging
non-bonus
satisfactionless
nondesirous
nonmotivational
better than a poke in the eye with a sharp stick
nonincentive
unaltruistic
nonbargainable
unsound
unaccommodating
unexigent
undersatisfied
premial
advantageousness
poorly
aridity
nonprofitable
unfulfilling
barrenness
incentiveless
fruitlessness
unglowing
unobligated