Meaning of “sting” - Learner’s Dictionary

sting

verb uk us /stɪŋ/ (past tense and past participle stung)
CAUSE PAIN [ T ]

If an insect, plant, etc stings you, it causes pain by putting poison into your skin:

He was stung by a wasp.
FEEL PAIN [ I, T ]

If your eyes, skin, etc sting, or if something makes them sting, you feel a sudden, burning pain:

That shampoo really made my eyes sting.
UPSET [ T ]

to upset someone:

[ often passive ] She was clearly stung by his criticism.

(Definition of “sting verb” from the Cambridge Learner’s Dictionary © Cambridge University Press)