smart
smɑːt/
adjective
adjective: smart; comparative adjective: smarter; superlative adjective: smartest
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1.(of a person) clean, tidy, and well dressed.“you look very smart”
synonyms: well dressed, well turned out, fashionably dressed, fashionable, stylish, chic, modish, elegant, neat, besuited, spruce, trim, dapper, debonair; More antonyms: scruffy -
(of an object) bright and fresh in appearance.“a smart green van”
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(of a place) fashionable and upmarket.“a smart restaurant”
synonyms: fashionable, stylish, high-class, exclusive, chic, fancy; More antonyms: unfashionable, downmarket
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2.informalhaving or showing a quick-witted intelligence.“if he was that smart he would never have been tricked”
synonyms: clever, bright, intelligent, sharp, sharp-witted, quick-witted, nimble-witted, shrewd, astute, acute, apt, able; informalwhip-smart“Joey will know what to do—he’s the smart one”antonyms: stupid -
(of a device) programmed so as to be capable of some independent action.“hi-tech smart weapons”
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NORTH AMERICANshowing impertinence by making clever or sarcastic remarks.“don’t get smart or I’ll whack you one”
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verb
verb: smart; 3rd person present: smarts; past tense: smarted; past participle: smarted; gerund or present participle: smarting
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1.(of part of the body) feel a sharp stinging pain.“her legs were scratched and smarting”
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feel upset and annoyed.“defence chiefs are still smarting from the government’s cuts”
synonyms: feel annoyed, feel upset, feel offended, take offence, feel aggrieved, feel indignant, feel put out, feel hurt, feel wounded, feel resentful “she had smarted at Jenny’s accusations”
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noun
noun: smart; plural noun: smarts
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1.sharp stinging pain.“the smart of the recent cuts”
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archaicmental pain or suffering.“sorrow is the effect of smart, and smart the effect of faith”
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2.NORTH AMERICANinformalintelligence; acumen.“I don’t think I have the smarts for it”
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’, whence the current senses of ‘mentally sharp’ and ‘neat in a brisk, sharp style’.

