ambitionless
unambitious
aimless
bone-lazy
cadging
dilatory
do-nothing
doless
dronish
drony
easy
ergophobic
faineant
feckless
good-for-nothing
grasshopper
happy-go-lucky
heedless
helpless
idle
improvident
indolent
ineffective
irresponsible
lackadaisical
laggard
lax
lazy
negligent
nonaggressive
otiose
parasitic
pococurante
procrastinative
remiss
scrounging
slack
slothful
slow
sponging
thoughtless
thriftless
uncaring
uneconomical
unenterprising
uninspired
unmotivated
unproviding
deprave
disobedient
disorderly
graceless
inefficient
needy
profligate
self-indulgent
slovenly
unprincipled
unthrifty
untrustworthy
wasteful
worthless