sickly
1. sick.ly \'sik-le-\ aj 1: somewhat unwell; also : habitually ailing 2:
produced by or associated with sickness {a ~ complexion} {a ~ appetite} 3:
producing or tending to disease : UNWHOLESOME {a ~ clim ate} 4: appearing
as if sick : 4a: LANGUID, PALE {a ~ flame} 4b: WRETCHED, UNEASY {a ~
smile} 4c: lacking in vigor : WEAK {a ~ plant} {~ beer)> 5a: tending to
produce nausea {a ~ odor} 5b: MAWKISH - sickly av
2. sickly vt : to make sick or sickly
Webster's English Dictionary