To prick or wound with a sharp-pointed organ, especially by injecting poison. A wasp can sting multiple times if provoked.
To cause a sharp, biting pain or sensation. The icy rain stung his face.
To cause emotional pain or distress. Her unfair remarks really stung him.
Informal: to overcharge, swindle, or cheat (someone), especially for money. He was stung for an extra fee when he returned the rental car late.