Ill

/ɪl/

Meaning & Definition

noun
A condition of being sick or unwell.
The doctor treated her for the ills that plagued her.
adjective
Affected by physical or mental illness.
She felt ill after eating the undercooked chicken.
Badly or poorly; in an unfavorable manner.
He was treated ill by his coworkers.
Morally bad or wicked.
The ill consequences of his actions were evident.
adverb
In a bad manner; poorly.
He plays the piano ill compared to his sister.

Etymology

Middle English, from Old English ‘ikil’, meaning 'bad' or 'foul'.

Common Phrases and Expressions

ill at ease:
Feeling uncomfortable or anxious.
ill will:
A feeling of hostility or enmity.
ill-fated:
Doomed to disaster; unlucky.

Related Words

Slang Meanings

Cool or impressive.
That new car is ill!
Unfortunate or problematic.
It’s ill when you miss the bus in the rain.