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Commonly Confused Words
Ill/Sick
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Mustache/Moustache
Oppress/Repress
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Ill vs. Sick
Ill
/ɪl/
Learn more about synonyms and antonyms
Not feeling well or being sick
Examples:
People who walk in their sleep are often
ill
.
The trial has succeeded
ill
, Monsieur d'Artagnan."
What new misery or
ill
was this?
Synonyms:
sick
unwell
ailing
Antonyms:
healthy
well
fit
Learn more about synonyms and antonyms
Sick
/sɪk/
Learn more about synonyms and antonyms
Feeling unwell or having a physical illness
Examples:
He felt very, very
sick
.
The
sick
woman was lying on the ground.
I
n the spring, many of the girls became sick.
Synonyms:
ill
unwell
ailing
infirm
diseased
Antonyms:
healthy
well
fit
Learn more about synonyms and antonyms
Ways to tell them apart:
Ill
and
sick
are often used interchangeably, but there are subtle differences.
Ill
tends to be used in more formal contexts, while
sick
is more commonly used in everyday language.
In British English,
ill
is more commonly used to describe a state of poor health.
In American English,
sick
often refers to nausea or the desire to vomit.
Sick
can also describe someone who is unwell psychologically or emotionally.
When to use ill:
When to use sick:
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