bony
dilapidated
doddering
flat
flat-chested
fleshless
gangling
gangly
gaunt
gawky
groggy
lank
lanky
lean
lean-fleshed
lean-looking
meager
ramshackle
rawboned
ricketish
rickety
rocky
scraggy
scrawny
shaky
skeletal
skinny
spare
spindling
spindly
teetering
teetery
thin-bellied
thin-fleshed
tottering
tottery
tumbledown
twiggy
undersized
underweight
unsteady
wobbly
angular
calligraphic
copperplate
crabbed
cursive
illegible
legible
long-fingered
loopy
prehensile
segmented
shapely
sinewy
spiky
sticklike
stubby
vestigial
whiplike