Smart definition

From Old English smeortan, from West Germanic , whence also Old High German smerzan.

Exhibiting social ability or cleverness.
- 1811, Jane Austen, Sense and Sensibility, chapter 19
  
  “I always preferred the church, and I still do. But that was not smart enough for my family. They recommended the army. That was a great deal too smart for me.”
Exhibiting intellectual knowledge, such as that found in books.
Good-looking.

a smart outfit
Cleverly and/or sarcastically humorous in a way that may be rude and disrespectful. Cf: (verb) to smart off; (noun) smarty pants, wise guy, wiseacre, wise-ass; (adjective) cute.

He became tired of his daughter's sarcasm and smart remarks.
Sudden and intense.
1860 July 9, Henry David Thoreau, journal entry, from Thoreau's bird-lore, Francis H. Allen (editor), Houghton Mifflin (Boston, 1910), Thoreau on Birds: notes on New England birds from the Journals of Henry David Thoreau, Beacon Press, (Boston, 1993), page 239:
- There is a smart shower at 5 P.M., and in the midst of it a hummingbird is busy about the flowers in the garden, unmindful of it, though you would think that each big drop that struck him would be a serious accident.
Intense in feeling; painful. Used usually with the adverb intensifier right.
- He raised his voice, and it hurt her feelings right smart.
- That cast on his leg chaffs him right smart.

bright, capable, sophisticated, witty cultivated, educated, learned attractive, chic, stylish, handsome

backward, boorish, dull, inept ignorant, uncultivated, simple garish, outré, tacky

To hurt or sting.

After being hit with a pitch, the batter exclaimed "Ouch, my arm smarts!"

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