長さの定義と意味 - メリアム・ウェブスター

LENGTH Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition Definition Synonyms Example Sentences Word History Phrases Containing Rhymes Entries Near Related Articles Cite this Entry Citation Kids Definition Kids More from M-W Show more Show more Citation Kids More from M-W Save Word To save this word, you'll need to log in. Log In length noun ˈleŋ(k)th ˈlen(t)th plural lengths ˈleŋ(k)ths ˈlen(t)ths , ˈleŋ(k)s Synonyms of length Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. 1 a : the longer or longest dimension of an object b : a measured distance or dimension 10 feet in length see Metric System Table , Weights and Measures Table c : the quality or state of being long the length of the journey 2 a : duration or extent in time b : relative duration or stress of a sound (such as a vowel or syllable in prose or a note in music) 3 a : distance or extent in space a street with its length of colonial houses b : the length of something taken as a unit of measure his horse led by a length 4 : the degree to which something (such as a course of action or a line of thought) is carried — often used in plural went to great lengths to learn the truth 5 a : a long expanse or stretch her lengths of lustrous hair b : a piece constituting or usable as part of a whole or of a connected series : section a length of pipe 6 : the longer or vertical dimension of a piece of clothing — often used in combination elbow- length sleeves see also: at length Synonyms of length Relevance expansion expanse stretch distance breadth See All Synonyms & Antonyms in Thesaurus Examples of length in a Sentence The length of the table is six feet, and its width is three feet. These pins are available in one- and two-inch lengths . The adult animals reach a maximum length of two meters. Your essay should be no more than 250 words in length . the length of a movie They were two car lengths behind us. 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 . The apparent unmasking of Banksy, who has gone to great lengths to preserve his anonymity since his work began appearing around the UK in the 1990s, sparked controversy, with fans and collectors questioning how the revelation might affect the value and resonance of his work. — Lex Harvey, CNN Money , 1 May 2026 The comments mark the first time Kim has directly acknowledged the lengths North Korean troops fighting for Russia have gone to in attempts to avoid capture by Ukrainian forces. — Efrat Lachter, FOXNews.com , 1 May 2026 Best Nicole Kidman Matching Sets Lookalikes Just like the Scarpetta actress’s look, this matching set has a loose, long-sleeve top with a high neckline and midi- length skirt. — Rylee Johnston, PEOPLE , 1 May 2026 This conversation has been edited for length and clarity. — Maira Garcia, Los Angeles Times , 1 May 2026 See All Example Sentences for length Word History Etymology Middle English lengthe , from Old English lengthu , from lang long First Known Use before the 12th century, in the meaning defined at sense 1a Time Traveler The first known use of length was before the 12th century See more words from the same century Phrases Containing length arm's length at any length at arm's length at length cable length cut to size / length feature - length floor - length focal length for any length of time full - length go to any length(s) half - length keep (someone or something) at arm's length knee - length restriction fragment length polymorphism shoulder - length the length and breadth of Rhymes for length strength See All Rhymes for length Browse Nearby Words lengenbachite length length-breadth index See all Nearby Words Articles Related to length Is there a difference between... When some things just go on and on. Obscure Units of Measurement Quiz Do you know these uncommon units of measurement? Learning them could enrich your life immeasurably. Cite this Entry Style MLA Chicago APA Merriam-Webster “Length.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/length. Accessed 3 May. 2026. Copy Citation Kids Definition length noun ˈleŋ(k)th ˈlen(t)th 1 a : the measured distance from one end to the other of the longer or longest side of an object also : any measured distance b : the quality or state of being long 2 a : the amount of time something takes the length of a visit b : the sound of a vowel or syllable as it is affected by the time needed to pronounce it 3 : a piece of something long a length of pipe 4 : the distance from top to bottom of an article of clothing More from Merriam-Webster on length Nglish: Translation of length for Spanish Speakers Last Updated: 2 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 métier 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 it 'used to' or 'use to'? The Difference Between 'i.e.' and 'e.g.' Why is '-ed' sometimes pronounced at the end of a word? See More Popular in Wordplay See More The Longest Long Words List 9 Other Words for Beautiful The Words of the Week - May 1 Why do we 'bury the lede?' 10 Words for Food with Unfortunate-Sounding Names See More Popular See More More Commonly Mispronounced Words The Longest Long Words List 9 Other Words for Beautiful See More Games & Quizzes See All Quordle Can you solve 4 words at once? Play Blossom Pick the best words! 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