"smart" as verb
1 - To hurt or sting.
2 - To cause a smart or sting in.
3 - To feel a pungent pain of mind; to feel sharp pain or grief; be punished severely; to feel the sting of evil.
"smart" as adjective
1 - Exhibiting social ability or cleverness.
2 - Exhibiting intellectual knowledge, such as that found in books.
3 - (often in combination) Equipped with intelligent behaviour (digital/computer technology).
"smart" as noun
1 - A sharp, quick, lively pain; a sting.
2 - Mental pain or suffering; grief; affliction.
3 - Smart-money.
