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sick

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1sick/ˈsɪk/adjective
sickersickest
1sick
/ˈsɪk/
adjective
sickersickest
Learner's definition of SICK  
[also more sick; most sick]
: affected with a disease or illness : ill — sometimes used figuratively
— see also airsick, carsick, seasick
always used before a noun  : of or relating to people who are ill
not used before a nouninformal  : very annoyed or bored by something because you have had too much of it — + of
   b  : very disgusted or angry
: not mentally normal or healthy
: relating to very unpleasant or offensive things
: very unpleasant
   b  : powerfully affected by a strong and unpleasant emotion — usually + with
— see also homesick, lovesick

be sick

: to vomit

call/phone in sick

◊ If you call/phone in sick, you make a phone call to your place of work to say you will not be working that day because you are sick.

feel sick

US  : to feel ill
: to feel like you will vomit
US  : to feel very upset

report sick

— see 2report

sick at heart

— see heart

sick to your stomach

US  : caused to vomit : feeling like you are going to vomit
: feeling very disgusted or angry

the sick

: people who are sick : sick people
2sick/ˈsɪk/noun
2sick
/ˈsɪk/
noun
Learner's definition of SICK  
[noncount]British, informal
: vomit
3sick/ˈsɪk/verb
sickssickedsicking
3sick
/ˈsɪk/
verb
sickssickedsicking
Learner's definition of SICK  

sick up

[phrasal verb]
sick up (something)British, informal or sick (something) up 
: to vomit (something)
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