1. Expression of surprised admiration
   "wow! I'm s so delighted!";
   - jislaaik [S.Africa], coo [Brit, informal]

1. Impress greatly
   "The speaker wowed the audience"

1. A person or thing that is very successful or impressive
   "The new smartphone was the wow of the tech conference"
    
2. A joke that seems extremely funny
   "The comedian's last joke was a real wow";
   - belly laugh, sidesplitter [informal], howler, thigh-slapper, scream [informal], riot [informal]

Derived forms: wowed, wows, wowing

Type of: gag, impress, jape, jest, joke, laugh

Encyclopedia: Wow, I Can Get Sexual Too