I. ˈsi-klē adjective
Date: 14th century
1. : somewhat unwell ; also : habitually ailing
2. : produced by or associated with sickness
a sickly complexion
a sickly appetite
3. : producing or tending to produce disease : unwholesome
a sickly climate
4.
a. : appearing as if sick
b. : lacking in vigor : weak
a sickly plant
5. : sickening
a sickly odor
• sick·li·ness noun
II. transitive verb
( sick·lied ; sick·ly·ing )
Date: 1763
: to make sick or sickly