smart
Americanverb (used without object)
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to be a source of sharp, local, and usually superficial pain, as a wound.
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to be the cause of a sharp, stinging pain, as an irritating application, a blow, etc.
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to feel a sharp, stinging pain, as in a wound.
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to suffer keenly from wounded feelings.
She smarted under their criticism.
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to feel shame or remorse or to suffer in punishment or in return for something.
verb (used with object)
adjective
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quick or prompt in action, as persons.
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having or showing quick intelligence or ready mental capability.
a smart student.
- Antonyms:
- stupid
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shrewd or sharp, as a person in dealing with others or as in business dealings.
a smart businessman.
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clever, witty, or readily effective, as a speaker, speech, rejoinder, etc.
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dashingly or impressively neat or trim in appearance, as persons, dress, etc.
- Synonyms:
- showy, pretentious, spruce
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socially elegant; sophisticated or fashionable.
the smart crowd.
- Synonyms:
- chic
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saucy; pert.
smart remarks.
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sharply brisk, vigorous, or active.
to walk with smart steps.
- Synonyms:
- energetic
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sharply severe, as a blow, stroke, etc.
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sharp or keen.
a smart pain.
- Synonyms:
- penetrating, poignant
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Digital Technology.
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(of a machine, system, etc.) equipped with electronic control mechanisms, software programs, etc., and capable of remote, automated, and seemingly intelligent operation.
smart copiers;
smart weapons;
a smart thermostat.
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equipped with microprocessors, as for data processing, internet access, etc. (usually used in combination).
a smartphone;
a smartwatch.
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having properties that can be changed in response to stimuli or environmental conditions; self-regulating.
smart fabrics that respond to temperature or light.
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Older Use. considerable; fairly large.
adverb
noun
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a sharp local pain, usually superficial, as from a wound, blow, or sting.
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keen mental suffering, as from wounded feelings, affliction, grievous loss, etc.
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Slang. smarts, intelligence; common sense.
He never had the smarts to use his opportunities.
adjective
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astute, as in business; clever or bright
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quick, witty, and often impertinent in speech
a smart talker
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fashionable; chic
a smart hotel
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well-kept; neat
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causing a sharp stinging pain
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vigorous or brisk
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dialect considerable or numerous
a smart price
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(of systems) operating as if by human intelligence by using automatic computer control
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(of a projectile or bomb) containing a device that allows it to be guided to its target
verb
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to feel, cause, or be the source of a sharp stinging physical pain or keen mental distress
a nettle sting smarts
he smarted under their abuse
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(often foll by for) to suffer a harsh penalty
noun
adverb
noun
Other Word Forms
- smartingly adverb
- smartish adjective
- smartly adverb
- smartness noun
- supersmart adjective
- supersmartness noun
- ultrasmart adjective
- unsmart adjective
- unsmarting adjective
Etymology
Origin of smart
First recorded before 1050; Middle English (verb) smerten, Old English -smeortan (only in the compound fyrsmeortende “painful like fire”), cognate with Old High German smerzan ( German schmerzen ); (adjective) Middle English smerte, smart “quick, prompt, sharp,” originally, “biting, smarting,” late Old English smearte, akin to the verb; (adverb and noun) Middle English smerte, derivative of the adjective
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
In private conversations, researchers whispered about which lab might be the first to build AI “superintelligence” that is smarter than mere humans—and whether they were in the middle of one humongous bubble.
Most music industry went to the Los Angeles show, but smart industry came to us.
From Los Angeles Times
“It’s a smart way to avoid ownership and data issues,” Ray Wang, principal analyst at Constellation Research, said of the deal.
From Los Angeles Times
The first scene of Ann Packer’s smart, surprising novel “Some Bright Nowhere” is her final visit with the oncologist.
Have you ever worked for—or with—a leader who truly believes they are the smartest person in the room?
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.