1. Causing a dull and steady pain
   "my aching head";
   - achy

1. A dull persistent (usually moderately intense) pain
   "She felt a constant aching in her lower back";
   - ache

1. Feel ill, be uncomfortable or in pain
   "Were you aching after the accident?";
   - suffer, hurt
    
2. Be a source of pain
   "The cut on his hand ached";
   - smart, hurt
    
3. Have a desire for something or someone who is not present
   "She ached for a cigarette";
   - yearn, yen, pine

Derived forms: achings

See also: painful

Type of: cause to be perceived, experience, feel, hanker, hurting, long, pain, pant [informal], yearn

Encyclopedia: Aching, Breaking Heart