Definition of sick

What does the word sick mean?

• part of speech: adjective

  Ill, incapacitated by illness, feeling effects of some disease, (a s. man; the S. Man, Turkish Empire; s. of a fever; the s., those who are ill; be, feel, make, s. in mod. use, vomit, be disposed or cause to vomit; turn s., feel or make feel as if about to vomit); disordered, perturbed, suffering effects of, disgusted, pining for, (am s. at heart; s. of love, lovesick; makes me s. to think of it; is awfully s. at being beaten; s. for a sight of home); surfeited& tired of (s. of flattery, rain, waiting); (of ship) needing repair (esp. of specified kind, as nail-s., paint-s.); s.-bay; s.-bed, invalid\'s bed, invalid state; s.-call, military summons on bugle &c. for s. men to attend; s.-flag, yellow, indicating presence of disease at quarantine station or on ship; s.-headache, due to biliousness; s.-leave, leave of absence granted for reason of health; s.-list. of the s. esp. in regiment, ship, &c. (on the s.-l., laid up); s.-room, occupied by s. person, or kept ready for the s. Hence sickish (2) a. [old English]