sick Definition in the Cambridge English Dictionary
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Definition of “sick” - English Dictionary

Definition of "sick" - American English Dictionary

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sickadjective

 us   /sɪk/

sick adjective (ILL)

physically or ​mentallyill; not well or ​healthy: We’ve got a sick ​cat. I ​feel sick. Only a sick ​mind could ​think of such things. He’s out sick (= ​absent because of ​illness). Samantha called in sick (= called to say she was ​ill and not coming to ​work).

sick adjective (VOMITING)

[-er/-est only] feeling as if you are going to ​vomit: She was so ​nervous she got sick. I ​feel sick to mystomach (= ​likely to ​vomit).

sick adjective (UNPLEASANT)

[-er/-est only] causing or experiencing ​unpleasantfeelings: Michelle is sick about not getting that ​job. I can’t ​believe she ​lost the ​election – it just makes me sick.
(Definition of sick from the Cambridge Academic Content Dictionary © Cambridge University Press)

Definition of "sick" - British English Dictionary

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sickadjective

uk   us   /sɪk/

sick adjective (ILL)

A2 physically or ​mentallyill; not well or ​healthy: a sick ​child a sick ​cow My ​father has been off sick (= not ​working because of ​illness) for a ​longtime. Anyone who could ​hurt a ​child like that must be sick (= ​mentallyill). The ​old woman fell/took/was taken sick (= ​becameill) while she was away and had to come ​home. Sarah called in/​reported sick (= told her ​employer that she was ​unable to go to ​work because of ​illness).figurative High ​rates of ​crime are ​considered by some ​people to be a ​sign of a sick ​society.
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sick adjective (VOMIT)

A2 [after verb] feelingill as if you are going to ​vomit: Lucy felt sick the ​morning after the ​party. If you ​eat any more of that ​cake, you'll make yourself sick. be sick B1 to ​vomit: She was sick after she ​ate too much ​chocolate.
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sick adjective (UNPLEASANT)

B2 [after verb] informal feelingstrongunpleasantemotions, ​especiallyanger or ​disgust: I'm sick at (= ​unhappy about) not getting that ​job. It makes me sick (= makes me very ​angry) to ​seepeoplewearingfurcoats.UK informal It's sick-making (= very ​annoying) that she's being ​paid so much for doing so little. I'm sick (and ​tired/to ​death) of (= very ​annoyed about) the way you're ​behaving. She was worried sick (= very ​worried) when her ​daughter didn't come ​home on ​time. I felt sick (= ​feltshocked and ​disgusted) when I ​heard about the ​prisoners being ​beaten. [after verb] informal cruel or ​offensive: Joan was not ​amused by the sick joke her ​brother told.

sick adjective (GOOD)

slang very good, ​excellent: snowboarders doing sick ​tricks

sicknoun

uk   us   /sɪk/

sick noun (ILL)

the sick [plural] people who are ​ill: It's ​better for the sick to be ​cared for at ​homerather than in ​hospital.

sick noun (VOMIT)

[U] UK informal vomit: a ​pool of sick on the ​floor
(Definition of sick from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)

Definition of "sick" - Business English Dictionary

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sickadjective

uk   us   /sɪk/
WORKPLACE, HR not ​feeling well: Peter called in sick this morning.off/out sick She's been out sick for a week.
a sick ​business, ​economy, etc. is having a lot of problems that are difficult to solve: Low ​interestrates often ​signal that an ​economy is sick. New ​executives were ​brought in to ​turn the sick ​company around.
(Definition of sick from the Cambridge Business English Dictionary © Cambridge University Press)
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