likely to throw up food from the stomach; ill; not well
not healthy, not feeling well
Cases of word usage
1) (to be) sick (puke)
2) (of the stomach) easily upset; (of a person) feeling sick (queasy)
3) strange; unusual; causing doubt or suspicion; unwell; sick (queer)
4) (feeling) sick because of the movement of a ship (seasick)
5) an apparatus of cloth between poles, used for carrying a sick or injured person (stretcher)