Click any word in a definition or example to find the entry for that word
He's been ill for a couple of weeks.
She was too ill to travel.
mentally ill patients
terminally ill (=going to die because of an illness)
Her husband is seriously ill in hospital.
She was unlucky enough to fall ill on holiday.
Samantha was seriously ill with a fever.
Their defeat was mainly due to their ill-discipline.
The fish didn't taste fresh, but we suffered no ill effects.
Bouts of ill temper punctuated the match.
This is the British English definition of ill. View American English definition of ill.