don't knock yourself out
undesponding
unundulating
nonundulating
unsuccumbing
undespondently
unhustling
undetesting
nonabstaining
undespondent
out of the way
undisinterested
nondisinterested
unwaning
unfrustratable
unincapacitated
nonprocrastinating
unprocrastinating
exertionless
unhesitative
unstruggling
undisillusioned
nonoverhanging
unprocrastinated
unvainly
fall seven times, stand up eight
unchallengingly
unoverpowered
facile
unfatiguing
undemoralizing
unflaggingly
unretarding
nontipping
unchallenging
unpushingly
unexhaustedly
unscrupling
nonchallenge
unextorted
nonabutting
nonintrusively
unduped
non-over-the-counter
like a ripe plum
unfutile
efficient
nonslack
uninfluencing
unasking