WordWeb Online

1. A polite refusal of an invitation
   - declination

1. Sadness associated with some wrong done or some disappointment
   "he wrote a note expressing his regret";
   - sorrow, rue [archaic], ruefulness

1. Feel remorse for; feel sorry for; be contrite about
   - repent, rue
    
2. Feel sad about the loss or absence of
    
3. Decline formally or politely
   "I regret I can't come to the party"
    
4. Express with regret
   "I regret to say that you did not gain admission to Harvard"

Type of: acknowledgement, acknowledgment, decline, experience, feel, inform, miss, refusal, refuse, sadness, unhappiness

Encyclopedia: Regrets