affected by physical or mental illness, feeling nauseous and wanting to vomit, very unpleasant or disturbing

sick and tired, sick to one's stomach, make someone sick

Formal and Informal Expressions of sick

In different contexts, you can replace 'sick' with suitable alternatives. In a more formal setting, 'ill, unwell' is apt. In informal speech or writing, 'queasy, gross' is a commonplace synonym.

sick: Explore its Definition & Usage

sick Definition

1affected by physical or mental illness
2feeling nauseous and wanting to vomit
3very unpleasant or disturbing

Using sick: Examples

Take a moment to familiarize yourself with how "sick" can be used in various situations through the following examples!

Example
I'm feeling sick today, so I won't be able to come to work.
Example
The smell of the garbage made me feel sick.
Example
The movie was so sick that I had to leave the theater.

sick Synonyms and Antonyms

Synonyms for sick

Antonyms for sick

Phrases with sick

sick and tired
completely fed up with something
Example
I'm sick and tired of hearing your excuses.
sick to one's stomach
feeling nauseous and wanting to vomit
Example
The roller coaster made me sick to my stomach.
make someone sick
to cause someone to feel nauseous or disgusted
Example
The smell of the rotten food made me sick.

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Summary: sick in Brief

The word 'sick' [sɪk] can refer to physical or mental illness, as in 'I'm feeling sick today.' It can also mean feeling nauseous or disgusted, as in 'The smell of the garbage made me feel sick.' Additionally, 'sick' can describe something very unpleasant or disturbing, as in 'The movie was so sick that I had to leave the theater.' Common phrases include 'sick and tired,' meaning completely fed up, and 'sick to one's stomach,' meaning feeling nauseous.