Definition of smart verb from the Oxford Advanced Learner's Dictionary

     

    smart

     verb
    verb
    BrE BrE//smɑːt//
     
    ; NAmE NAmE//smɑːrt//
     
    Verb Forms present simple I / you / we / they smart
    BrE BrE//smɑːt//
     
    ; NAmE NAmE//smɑːrt//
     
    he / she / it smarts
    BrE BrE//smɑːts//
     
    ; NAmE NAmE//smɑːrts//
     
    past simple smarted
    BrE BrE//ˈsmɑːtɪd//
     
    ; NAmE NAmE//ˈsmɑːrtɪd//
     
    past participle smarted
    BrE BrE//ˈsmɑːtɪd//
     
    ; NAmE NAmE//ˈsmɑːrtɪd//
     
    -ing form smarting
    BrE BrE//ˈsmɑːtɪŋ//
     
    ; NAmE NAmE//ˈsmɑːrtɪŋ//
     
     
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  1. 1[intransitive] smart (from something) to feel a sharp stinging pain in a part of your body His eyes were smarting from the smoke. The wound was beginning to smart a little. I rubbed my smarting eyes.
  2. 2[intransitive] smart (from/over something) to feel upset about a criticism, failure, etc. They are still smarting from the 4–0 defeat last week. He is still smarting over his humiliation in the election.
  3. see also smarts
    Word Origin Old English smeortan (verb), of West Germanic origin; related to German schmerzen; the adjective is related to the verb, the original sense (late Old English) being ‘causing sharp pain’; from this arose ‘keen, brisk’, which led to the current senses of ‘mentally sharp’ and ‘neat in a brisk, sharp style’.
See the Oxford Advanced American Dictionary entry: smart