weak

Entry Definition
it looks weak; it looks faded; it is hardly visible
s/he has weak arm(s) or hand(s)
s/he has weak leg(s)
s/he is weak (physically)
(baseball) s/he is poor or weak hitter
s/he looks weak
(person, vein) s/he has slow or weak pulse
s/he is weak, is feeble, is decrepit, is infirm