WordWeb Online

1. Somewhat ill or prone to illness
   "my poor ailing grandmother";
   - indisposed, peaked, poorly, sickly, unwell, under the weather, seedy, out of sorts, off-colour [Brit], crook [Austral, NZ]

1. Be ill or unwell
    
2. Cause bodily suffering to and make sick or indisposed
   - trouble, pain

See also: ill, sick

Type of: hurt, suffer

Encyclopedia: Ail