ill is on the Basic English 850 List.
if - ill - important

Pronunciation change

Adjective change

Positive
ill

Comparative
more ill

Superlative
most ill

  1. Sick, not well. If you are ill, you have bad health, you might have a disease.
    One boy died and the other is seriously ill in the hospital.
  2. (slang) If you are ill you are angry or disturbed.
    You are making me ill with your attacks.

Synonyms change

Antonyms change

Adverb change

Positive
ill

Comparative
none

Superlative
none

Noun change

Singular
ill

Plural
ills