レベルの定義と意味 - メリアム・ウェブスター

LEVEL Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition noun verb adjective noun 3 noun verb adjective Synonyms Synonym Chooser 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 level 1 of 3 noun lev·​el ˈle-vəl plural levels Synonyms of level Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. 1 : a device for establishing a horizontal line or plane by means of a bubble in a liquid that shows adjustment to the horizontal by movement to the center of a slightly bowed glass tube 2 : a measurement of the difference of altitude of two points by means of a level 3 : horizontal condition especially : equilibrium of a fluid marked by a horizontal surface of even altitude water seeks its own level 4 a : an approximately horizontal line or surface taken as an index of altitude Charts were arranged at eye level . b : a practically horizontal surface or area (as of land) the level of the plateau 5 : a position in a scale or rank (as of achievement, significance, or value) funded at the national level The job appeals to me on many levels . 6 a : a line or surface that cuts perpendicularly all plumb lines that it meets and hence would everywhere coincide with a surface of still water b : the plane of the horizon or a line in it 7 : a horizontal passage in a mine intended for regular working and transportation 8 : a concentration of a constituent especially of a body fluid (such as blood) a normal blood-sugar level 9 : the magnitude of a quantity considered in relation to an arbitrary reference value broadly : magnitude , intensity a high level of hostility 10 : one of a series of discrete parts through which a player moves or progresses during the course of a game (such as a video game) A commonly held belief among developers is that the opening level of a well-programmed game teaches the player what thematic rules to anticipate going forward. — Salvatore Pane see also: on the level level 2 of 3 verb leveled or levelled ; leveling or levelling ˈle-və-liŋ ˈlev-liŋ transitive verb 1 : to make (a line or surface) horizontal : make flat or level level a field level off a house lot 2 a : to bring to a horizontal aiming position b : aim , direct leveled a charge of fraud 3 : to bring to a common level or plane : equalize … love levels all ranks. — W. S. Gilbert 4 a : to lay level with or as if with the ground : raze b : to knock down leveled him with one punch 5 : to make (something, such as color) even or uniform 6 : to find the heights of different points in (a piece of land) especially with a surveyor's level intransitive verb 1 : to attain or come to a level The plane leveled off at 10,000 feet. see also level up 2 : to aim a gun or other weapon horizontally 3 : to bring persons or things to a level 4 : to deal frankly and openly level 3 of 3 adjective 1 a : having no part higher than another : conforming to the curvature of the liquid parts of the earth's surface b : parallel with the plane of the horizon : horizontal 2 a : even or unvarying in height b : equal in advantage, progression, or standing c : proceeding monotonously or uneventfully d (1) : steady , unwavering gave him a level look (2) : calm , unexcited spoke in level tones 3 : reasonable , balanced … arrive at a justly proportional and level judgment on this affair. — Winston Churchill 4 : distributed evenly level stress 5 : being a surface perpendicular to all lines of force in a field of force : equipotential 6 : suited to a particular rank or plane of ability or achievement top- level thinking 7 : of or relating to the spreading out of a cost or charge in even payments over a period of time levelly ˈle-və(l)-lē adverb levelness ˈle-vəl-nəs noun see also: level best Synonyms of level Relevance Noun position ranking rank echelon place degree status Verb balance equate adjust equalize Adjective plane smooth exact See All Synonyms & Antonyms in Thesaurus Choose the Right Synonym for level level , flat , plane , even , smooth mean having a surface without bends, curves, or irregularities. level applies to a horizontal surface that lies on a line parallel with the horizon. the vast prairies are nearly level flat applies to a surface devoid of noticeable curvatures, prominences, or depressions. the work surface must be flat plane applies to any real or imaginary flat surface in which a straight line between any two points on it lies wholly within that surface. the plane sides of a crystal even applies to a surface that is noticeably flat or level or to a line that is observably straight. trim the hedge so it is even smooth applies especially to a polished surface free of irregularities. a smooth skating rink Examples of level in a Sentence Noun The pictures were hung on the wall at eye level . The pictures were hung at different levels . There was a high level of alcohol in his blood. a normal level of intelligence Prices have risen to a new level . She rose to the level of manager. She has reached a rare level of financial success. These problems affect people at all levels of society. Can this problem be dealt with at a national level or must it be addressed at an international level ? Verb They will level the field. We need to level the garden before we plant anything. The earthquake leveled the city. He leveled his opponent with a right hook. The robber leveled a gun at his head. Several complaints have been leveled at the store. Criticism has been leveled against the government for not responding to this crisis. Adjective We pitched the tent on level ground. an airplane in level flight Interest rates have remained level . 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 . Noun That would bring the global total of people facing food insecurity to 363 million, the highest level on record. — Mae Anderson, Chicago Tribune , 1 May 2026 Every year, the level of talent and sheer ability seems more outrageous. — Dan Stahl, New Yorker , 1 May 2026 Verb The measure also would level the playing field for a struggling hotel industry, proponents say. — Sandra McDonald, Los Angeles Times , 1 May 2026 In what felt like retaliation, Thompson leveled Hanya with a slide tackle from behind on a 50-50 ball, taking both himself and Hanya out of the game. — Braidon Nourse, Denver Post , 30 Apr. 2026 Adjective Much of Lofton’s research looks at developing a multi- level , multi-component food system intervention to address food insecurity inequities amongst Black American residents living in predominantly Black communities. — Zareen Syed, Chicago Tribune , 29 Apr. 2026 Dane Lafrey’s magnificent, multi- level design makes maximum use of the Palace’s cavernous stage to create a lair to die for. — Frank Rizzo, Variety , 27 Apr. 2026 See All Example Sentences for level Word History Etymology Noun Middle English, plumb line, from Anglo-French livel , from Vulgar Latin *libellum , alteration of Latin libella , from diminutive of libra weight, balance Verb Middle English levelen, derivative of level level entry 1 Adjective Middle English, derivative of level level entry 1 First Known Use Noun 14th century, in the meaning defined at sense 1 Verb 15th century, in the meaning defined at transitive sense 1 Adjective 15th century, in the meaning defined at sense 1a Time Traveler The first known use of level was in the 14th century See more words from the same century Phrases Containing level Advanced level A level bi - level cholesterol level descend / sink / stoop to someone's level did her level best dumpy level energy level entry - level eye level garden level ground level high - level keep a level head level best level crossing level off level of significance level out level - pegging level playing field level teaspoon / tablespoon level the playing field level up level with low - level mid - level multi - level multi - level marketing next - level O level on a personal level one's level best on the level Ordinary level Scholarship level sea level significance level S level spirit level split - level street level sub - level subsistence level support level top - level tried his level best trophic level water level See More Rhymes for level bevel devil daredevil sublevel mediaeval multilevel See All Rhymes for level Browse Nearby Words levée en masse level level best See all Nearby Words Articles Related to level 19 Palindromes You Might Not Know Learn some fun vocabulary with these palindromes! How to 'Level Up' After you've slain the dragon, new adventures await. Cite this Entry Style MLA Chicago APA Merriam-Webster “Level.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/level. Accessed 4 May. 2026. Copy Citation Kids Definition level 1 of 3 noun lev·​el ˈlev-əl 1 : a device used (as by a carpenter) to establish a horizontal line or surface 2 : a horizontal line or surface usually at a named height placed at eye level 3 : a step or stage in a scale or rank (as of achievement, significance, importance, or value) rose to the level of manager 4 a : an amount of something especially in comparison with typical or expected amounts production is at a low level this year b : the amount of a substance especially per unit volume of a body fluid (as blood) a high level of sugar in the blood level 2 of 3 verb leveled or levelled ; leveling or levelling ˈlev-(ə-)liŋ 1 : to make or become horizontal, flat, or even 2 : aim entry 1 sense 1 , direct 3 : to knock flat the explosion leveled the house 4 : to reach or come to a level the plane leveled off