1. Mental ability
   "Her quick smarts helped her solve the puzzle in record time";
   - brain, brainpower, learning ability, mental capacity, mentality, wit

1. A kind of pain such as that caused by a wound or a burn or a sore
   "He felt a smart sensation where the antiseptic touched his cut";
   - smarting, smartness

1. Be a source of pain
   "The cut on his hand smarted";
   - ache, hurt

Type of: cause to be perceived, hurting, intelligence, pain

Encyclopedia: Smarts