DictionaryailIllness or distress
verb

ail

AYL/eɪl/

To suffer from or cause illness or distress.

The woman's hunched posture and grimace suggest that something ails her.

An older woman sits hunched on the edge of a chair, pressing a hand against her abdomen and visibly grimacing with discomfort.
Etymology

Eglan meant to trouble or afflict, so ail describes illness as something that troubles a person. Its historical range also included distress affecting moods and mental states.

In context

Enhanced Public Domain569:59
what could possibly ail him and the only remedy they found was to set him hard to work
1700s Satire: Jonathan Swift - Gulliver's Travels (Audiobook)

More examples

  • The business has been ailing for months.
  • He asked what was ailing her.
  • The doctor examined the ailing child.

Forms

ail · ails · ailed · ailing

ailment noun — an illness or health complaint

Similar words

afflict
Afflict causes suffering; ail can describe either causing distress or suffering from it.
sicken
Sicken means become or make ill; ail often suggests an ongoing troubled condition.