unwell

/ʌnˈwɛl/
adjectiveBeginner not in good health
general

Not in good health; feeling ill or sick

He had to stay home because he was feeling unwell.

He was sick and couldn't go to work.

The doctor said she was unwell and needed rest.

The doctor advised her to rest because she was sick.

💡

Often used to describe mild to moderate illness, not necessarily severe.

Collocations

feel unwellto experience illness or discomfortbecome unwellto fall sickkeep someone unwellto cause someone to be sick

Related Phrases

under the weatherphrase
feeling slightly unwell

💡Pro Tip

Formal vs. Informal

Use 'unwell' in formal contexts; 'sick' is more informal.

Gold Rule

Avoid Overuse

'Unwell' is more formal than 'sick' or 'ill'.

📖Word Origin

From Middle English 'unwele', from 'un-' (not) + 'wele' (well-being).

📝Usage Notes

Can be used to describe physical or mental illness. Often used in formal contexts.

Word Breakdown

un-
not
prefix
+
well
healthy
root
English Dictionary