adj.
 (sorrier, sorriest)
   - feeling distress, especially through sympathy with someone else's misfortune. ▸
(sorry for)
 filled with compassion for. 
- feeling regret or penitence. ▸used to express apology. 
- in a poor or pitiful state. ▸unpleasant and regrettable. 
Derivative
  
    - sorrily adv.
- sorriness n.
 
  Etymology
  OE sārig ‘pained, distressed’, of W. Gmc origin, from the base of sore.