DictionaryillPoor health
adjective / adverb / noun

ill

IL/ɪl/

Bad or harmful in its condition or effect.

The woman feels ill and rests in bed with a tissue.

A visibly unwell woman reclines in bed, flushed and heavy-eyed, holding a tissue to her reddened nose with a cooling cloth on her forehead.
Etymology

Old Norse illr expressed general badness rather than sickness alone. The health sense probably developed through usage like the Norse idiom 'it is bad to me,' turning a bad condition into being unwell.

In context

Poetic Heretic14:54
one winter an elderly man fell ill and was bedridden and during this time crows began to congregate around his residence
Wailing Omens of Doom: Terrifying Tales of Banshees

More examples

  • The medicine causes no ill effects.
  • She speaks ill of her former boss.
  • The report examines the social ills caused by poverty.

Forms

ill · worse · worst · ills

illness noun — A disease or period of poor health.

Similar words

sick
Refers specifically to poor health rather than harmful effects.
harmful
Emphasizes causing damage rather than simply being bad.
badly
Describes poor performance or manner, not a harmful condition.