1. The astonishment you feel when something totally unexpected happens to you
   "The look of surprise on her face was priceless when she saw the birthday party"
    
2. A sudden unexpected event
   "His surprise appearance at the party was quite a turn-up";
   - turn-up [Brit, informal]
    
3. The act of surprising someone
   "The birthday party was a complete surprise";
   - surprisal

1. Cause to be surprised
   "The news really surprised me"
    
2. Come upon or take unawares
   "She surprised the couple"; "He surprised an interesting scene"
    
3. Attack by storm; attack suddenly
   "The SWAT team surprised the criminals";
   - storm

Derived forms: surprises, surprised, surprising

Type of: act, affect, alteration, amazement, assail, astonishment, attack, change, disruption, impress, modification, move, perturbation, strike

Encyclopedia: Surprise, New York