[sik] 
adjective, -er, -est, noun | 1. | afflicted with ill health or disease; ailing. |
| 2. | affected with nausea; inclined to vomit. |
| 3. | deeply affected with some unpleasant feeling, as of sorrow, disgust, or boredom: sick at heart; to be sick of parties. |
| 4. | mentally, morally, or emotionally deranged, corrupt, or unsound: a sick mind; wild statements that made him seem sick. |
| 5. | characteristic of a sick mind: sick fancies. |
| 6. | dwelling on or obsessed with that which is gruesome, sadistic, ghoulish, or the like; morbid: a sick comedian; sick jokes. |
| 7. | of, pertaining to, or for use during sickness: He applied for sick benefits. |
| 8. | accompanied by or suggestive of sickness; sickly: a sick pallor; the sick smell of disinfectant in the corridors. |
| 9. | disgusted; chagrined. |
| 10. | not in proper condition; impaired. |
| 11. | Agriculture.
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| 12. | Now Rare. menstruating. |
| 13. | (used with a plural verb ) sick persons collectively (usually prec. by the). |
| 14. | call in sick, to notify one's place of employment by telephone that one will be absent from work because of being ill. |
| 15. | sick and tired, utterly weary; fed up: I'm sick and tired of working so hard! |
| 16. | sick at one's stomach, Chiefly Midland and Southern U.S. nauseated. |
| 17. | sick to one's stomach, Chiefly Northern, North Midland, and Western U.S. nauseated. |
sick (up)
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sick (sĭk)
adj. sick·er, sick·est
Suffering from or affected with a disease or disorder.
Of or for sick persons.
Nauseated.
Mentally ill or disturbed.
Constituting an unhealthy environment for those working or residing within, as of a building.
call in sick
Telephone one's employer or school that one is ill and cannot come to work or attend. For example, Ben called in sick and told his boss he would miss the meeting. [Mid-1900s]