SMARTの定義と意味 - メリアム・ウェブスター

SMART Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition adjective verb noun adverb adjective 4 adjective verb noun adverb Synonyms Example Sentences Word History Phrases Containing Rhymes Entries Near Related Articles Cite this Entry Citation Kids Definition Kids Medical Definition Medical More from M-W Show more Show more Citation Kids Medical More from M-W Save Word To save this word, you'll need to log in. Log In smart 1 of 4 adjective ˈsmärt smarter ; smartest Synonyms of smart Take our 3 question quiz on smart Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. 1 : having or showing a high degree of mental ability : intelligent , bright a smart young student a smart decision/investment/idea That wasn't a very smart thing to do. The pursuit of genius or at least being the smartest person in the room continues to tantalize humans. — Lydia Dishman Take our 3 question quiz on smart 2 a : witty , clever a smart comedy/sitcom b informal : rude or impolite in a bold and disrespectful way Don't get smart with me. 3 a : neat entry 1 , trim entry 2 soldiers in smart uniforms b : stylish or elegant in dress or appearance For this fall, the smartest skirts will feature hemlines that are either quite long or quite short … — The New York Times Magazine a member of the smart set c : appealing to sophisticated tastes : characteristic of or patronized by fashionable society We dined late at the Oasis, possibly the smartest restaurant in town … — Geri Trotta 4 a of a weapon : able to be altered in course during flight : being a guided missile a laser-guided smart bomb b : operating by automation a smart machine tool c : using a built-in microprocessor for automatic operation, for processing of data, or for achieving greater versatility a smart card By now we're familiar with smart electricity grids, those IT-enhanced networks that generate and distribute power locally … — Robert Visscher 5 : marked by often sharp, forceful activity or vigorous strength a smart pull of the starter cord 6 : brisk entry 1 , spirited walking at a smart pace 7 : causing a sharp stinging … their softest touch as smart as lizard's stings … — Shakespeare smartly adverb smartness noun Quiz: Which word is closest in meaning to smart ? smart 2 of 4 verb smarted ; smarting ; smarts intransitive verb 1 : to cause or be the cause or seat of a sharp stinging pain also : to feel or have such a pain 2 a : to feel or endure distress, remorse, or embarrassment … smarting from wounded vanity … — W. L. Shirer b : to pay a heavy or stinging penalty would have to smart for this foolishness smart 3 of 4 noun 1 : a smarting pain especially : a stinging local pain 2 : poignant grief or remorse … was not the sort to get over smarts . — Sir Winston Churchill 3 smarts plural , slang : intelligence , know-how smart 4 of 4 adverb : in a smart manner : smartly Synonyms of smart Relevance Adjective intelligent wise savvy astute shrewd clever sharp brilliant knowing hardheaded veteran experienced cunning bright keen heady quick Verb hurt ache Noun tingle pain ache pang stitch sting prick See All Synonyms & Antonyms in Thesaurus Examples of smart in a Sentence Adjective Poodles are said to be smart dogs. That was a smart investment. He gave her a smart answer. Verb Her eyes were smarting from the smoke. the injection only smarted for a moment Noun the toddler was whining over the smart from the cut she had the smarts to start college at age 16, but perhaps not the emotional maturity Adverb He plays smart and the fans appreciate that. I dress smarter than she does. Play it smart during the contract negotiations and you'll get more vacation time. See More Recent Examples on the Web Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback . Adjective This set, which includes lip liner, blush, and lipstick, is the smartest way to snag some top sellers and makes for a good gift. — Gina Vaynshteyn, StyleCaster , 29 Apr. 2026 Still, powering a smart contact lens is far more complex than powering a smartphone or even an implantable device. — Georgina Jedikovska, Interesting Engineering , 29 Apr. 2026 Verb Shoppers are already smarting from financial strain, analysts from Edward Jones and EY-Parthenon said. — Max Zahn, ABC News , 30 Apr. 2026 Soon, Goodwin began out- smarting his family. — Doug Haller, New York Times , 25 Apr. 2026 Noun The director again shows his action smarts by creating a brief lull — albeit while leaning hard on one of the more sudsy passages of composer Fernando Velázquez’s generic score — before the next shuddering impact sends the number of casualties skyrocketing. — David Rooney, HollywoodReporter , 28 Apr. 2026 Lily is the quickest to figure out the detective stories that George reads them every evening in the field, but otherwise smarts count for little in a quiet life of grazing and dozing. — Guy Lodge, Variety , 27 Apr. 2026 Adverb That means smart -stacking plates that double as lids for bowls, bowls that nest into serving platters, and so on. — Bon Appétit , 30 Nov. 2022 Here’s another smart -looking slipper that’s well-priced. — Danny Perez, Popular Mechanics , 28 Oct. 2022 See All Example Sentences for smart Word History Etymology Adjective Middle English smert causing pain, from Old English smeart ; akin to Old English smeortan Verb Middle English smerten , from Old English smeortan ; akin to Old High German smerzan to pain First Known Use Adjective before the 12th century, in the meaning defined at sense 7 Verb 13th century, in the meaning defined at sense 1 Noun 13th century, in the meaning defined at sense 1 Adverb 12th century, in the meaning defined above Time Traveler The first known use of smart was before the 12th century See more words from the same century Phrases Containing smart as smart as a whip get smart with play (it) smart smart alec smart aleck smart as a whip smart card smart cookie smart drug smart money smart - mouthed smart move smart off smart phone street - smart the smart set whip - smart Rhymes for smart art cart carte chart dart fart haart mart part start tart apart See All Rhymes for smart Browse Nearby Words smarmy smart Smarta See all Nearby Words Articles Related to smart Read This to Get 'Smart' Are you smart enough to juggle the word's multiple meanings? Cite this Entry Style MLA Chicago APA Merriam-Webster “Smart.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/smart. Accessed 4 May. 2026. Copy Citation Kids Definition smart 1 of 4 verb ˈsmärt 1 : to cause or feel a sharp stinging pain 2 : to feel mental distress (as regret, resentment, or embarrassment) smart 2 of 4 adjective 1 : causing a sharp stinging sensation 2 : marked by forceful activity or vigorous strength 3 : brisk sense 1 , spirited a smart pace 4 a : mentally alert : bright a smart teacher b : sharp in scheming : shrewd 5 a : witty , clever b informal : impudent , flippant 6 a : stylish or elegant in dress or appearance b : worldly-wise , knowing c : fashionable 7 a : being a guided missile a smart bomb b : operating by automation a smart machine tool smartly adverb smartness noun smart 3 of 4 adverb : in a smart manner smart 4 of 4 noun : a smarting pain especially : a stinging pain in one small part of the body Medical Definition smart intransitive verb ˈsmärt : to cause or be the cause or seat of a sharp poignant pain rapid fatigue with burning and smarting of the conjunctiva — H. G. Armstrong also : to feel or have such a pain More from Merriam-Webster on smart Nglish: Translation of smart for Spanish Speakers Last Updated: 3 May 2026 - Updated example sentences Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Merriam-Webster unabridged More from Merriam-Webster Word of the Day scrupulous See Definitions and Examples » Get Word of the Day daily email! Popular in Grammar & Usage See More More Commonly Mispronounced Words 5 Verbal Slip Ups and Language Mistakes Is that lie 'bald-faced' or 'bold-faced'? The Difference Between 'i.e.' and 'e.g.' Why is '-ed' sometimes pronounced at the end of a word? 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