to be a source of sharp, local, and usually superficial pain, as a wound.
to be the cause of a sharp, stinging pain, as an irritating application, a blow, etc.
to feel a sharp, stinging pain, as in a wound.
to suffer keenly from wounded feelings:She smarted under their criticism.
to feel shame or remorse or to suffer in punishment or in return for something.
to cause a sharp pain to or in.
quick or prompt in action, as persons.
having or showing quick intelligence or ready mental capability:a smart student.
shrewd or sharp, as a person in dealing with others or as in business dealings:a smart businessman.
clever, witty, or readily effective, as a speaker, speech, rejoinder, etc.
dashingly or impressively neat or trim in appearance, as persons, dress, etc.
socially elegant; sophisticated or fashionable:the smart crowd.
saucy; pert:smart remarks.
sharply brisk, vigorous, or active:to walk with smart steps.
sharply severe, as a blow, stroke, etc.
sharp or keen:a smart pain.
[Informal.]equipped with, using, or containing electronic control devices, as computer systems, microprocessors, or missiles:a smart phone; a smart copier.
Computing[Computers.]intelligent (def. 4).
[Older Use.]considerable; fairly large.
in a smart manner; smartly.
a sharp local pain, usually superficial, as from a wound, blow, or sting.
keen mental suffering, as from wounded feelings, affliction, grievous loss, etc.
smarts,[Slang.]intelligence; common sense:He never had the smarts to use his opportunities.
Etymology:bef. 1050; (verb, verbal) Middle English smerten, Old English -smeortan (only in the compound fyrsmeortende painful like fire), cognate with Old High German smerzan (German schmerzen); (adjective, adjectival) Middle English smerte, smart quick, prompt, sharp, origin, originally, biting, smarting, late Old English smearte, akin to the verb, verbal; (adverb, adverbial and noun, nominal) Middle English smerte, derivative of the adjective, adjectival