DEEPの定義と意味 - メリアム・ウェブスター

DEEP Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition adjective adverb noun adjective 3 adjective adverb noun 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 deep 1 of 3 adjective ˈdēp Synonyms of deep Take our 3 question quiz on deep 1 : extending far from some surface or area: such as a : extending far downward a deep well a deep chasm b (1) : extending well inward from an outer surface a deep gash a deep -chested animal (2) : not located superficially within the body deep pressure receptors in muscles c : extending well back from a surface accepted as front a deep closet d : extending far laterally from the center deep borders of lace e sports : occurring or located near the outer limits of the playing area hit to deep right field f sports : thrown or hit for a considerable distance : thrown or hit deep (see deep entry 2 sense 3b ) a deep pass a deep fly ball Take our 3 question quiz on deep 2 : having a specified extension in an implied direction usually downward or backward a shelf 20 inches deep cars parked three- deep 3 a : difficult to penetrate or comprehend : recondite deep mathematical problems deep discussions on the meaning of life b : mysterious , obscure a deep dark secret c : grave or lamentable in nature or effect in deep trouble a deep recession d : of penetrating intellect : wise a deep thinker e : intensely engrossed or immersed She was deep in her book. f : characterized by profundity of feeling a deep sense of loss The book made a deep impression on me. also : deep-seated deep religious beliefs g : full, complete, or thorough in quality or nature a deep understanding a deep sleep a deep breath 4 a of color : high in saturation and low in lightness a deep red b : having a low musical pitch (see pitch entry 4 sense 4b ) or pitch range a deep voice 5 a : situated well within the boundaries a house deep in the woods b : remote in time or space found deep in rural England c : being below the level of consciousness deep neuroses d : covered, enclosed, or filled to a specified degree — usually used in combination ankle- deep in mud 6 : large deep discounts 7 : having many good players a deep bullpen 8 computing : having or using many repetitions of algorithmic processing deep learning a deep neural network deeply adverb deepness noun see also: in deep water Quiz: Who works in a setting that is consistently deep ? deep 2 of 3 adverb 1 : to a great depth : deeply still waters run deep tunneled deep into the earth sank deeper into the mud 2 : far on : late danced deep into the night 3 sports a : near the outer limits of the playing area the shortstop was playing deep b : long sense 6 threw deep to the wide receiver hit the ball deep to right field see also: deep down deep 3 of 3 noun 1 a : a vast or immeasurable extent : abyss b (1) : the extent of surrounding space or time the azure deep (2) nautical : ocean the briny deep 2 : any of the deep portions of a body of water specifically : a generally long and narrow area in the ocean where the depth exceeds 3000 fathoms (5500 meters) the Aldrich Deep in the south Pacific 3 : the middle or most intense part in the deep of winter 4 nautical : any of the fathom points on a sounding line other than the marks (see mark entry 1 sense 2b ) Synonyms of deep Relevance Adjective profound vast Noun midst middle See All Synonyms & Antonyms in Thesaurus Choose the Right Synonym for deep broad , wide , deep mean having horizontal extent. broad and wide apply to a surface measured or viewed from side to side. a broad avenue wide is more common when units of measurement are mentioned rugs eight feet wide or applied to unfilled space between limits. a wide doorway broad is preferred when full horizontal extent is considered. broad shoulders deep may indicate horizontal extent away from the observer or from a front or peripheral point. a deep cupboard deep woods Examples of deep in a Sentence Adjective We walked in the deep snow. a deep valley between the mountains The water is deepest in the middle of the lake. She's afraid of swimming in deep water. a plant with deep roots The house has lots of deep closets. She has a small but deep wound on her arm. This enormous canyon is over a mile deep . The shelves are 10 inches deep . He stepped into an ankle- deep puddle of mud. Adverb The ship now lies deep below the water's surface. Our feet sank deeper into the mud. The treasure was buried deep within the ground. Their secret offices were located deep underground. We walked deep into the forest. The soldiers are operating deep within enemy territory. I stood three feet deep in the water. He stepped ankle- deep into a puddle of mud. Noun the kind of cold weather that we usually have only in the deep of winter sailors exploring the farther reaches of the briny deep 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 Lundkvist took McCarron’s skate to the face in the second period of Game 4 and suffered a deep facial laceration. — Mark Lazerus, New York Times , 27 Apr. 2026 Hillsides covered in fuel The hills surrounding Concepción, Penco and Lirquén appear deep green from the air, carpeted in trees, and in the thickness of these forests lies an insidious risk. — Stefano Pozzebon, CNN Money , 26 Apr. 2026 Adverb When Andrei Vasilevskiy tried to poke the puck away, Bolduc had moved so deep into the crease area that the puck went off him and into the net for his first career playoff goal. — Arpon Basu, New York Times , 27 Apr. 2026 On Earth, corundum typically forms deep within the planet under specific geological conditions tied to tectonic activity. — Ryan Brennan, Kansas City Star , 27 Apr. 2026 Noun Devers has the power-hitting prowess to take homer-prone Mikolas deep . — Josh Shepardson, Forbes.com , 19 Apr. 2026 Architectonics takes this murky style and plunges it to a new deep , incorporating the bronze gong and chime sounds of gamelan while burying his rhythms in dense, dubby layers of incense smoke. — Sam Goldner, Pitchfork , 13 Apr. 2026 See All Example Sentences for deep Word History Etymology Adjective, Adverb, and Noun Middle English dep , from Old English dēop ; akin to Old High German tiof deep, Old English dyppan to dip — more at dip First Known Use Adjective before the 12th century, in the meaning defined at sense 1 Adverb before the 12th century, in the meaning defined at sense 1 Noun before the 12th century, in the meaning defined at sense 1b(2) Time Traveler The first known use of deep was before the 12th century See more words from the same century Phrases Containing deep between the devil and the deep blue sea deep cut deep - dish deep dive deep down deep down (inside) deep ecology deep fat deep - fat fryer deep focus deep - freeze deep - fry deep fryer deep in debt deep learning deep pocket deep - rooted deep - sea deep - seated deep - six deep - sky deep space deep state deep structure deep temporal artery deep throat deep web go off the deep end in deep doo - doo in deep water in (too) deep jump in (at) the deep end knee - deep neck - deep rapture of the deep run deep skin - deep still waters run deep take a deep breath the deep the deep end the deep of the night throw in (at) the deep end See More Rhymes for deep beep cheap creep heap jeep keep leap peep reap seep sheep sleep See All Rhymes for deep Browse Nearby Words de-energize deep deep brunswick green See all Nearby Words Articles Related to deep Another Ten Ways to Improve Your... Simple But Intelligent Word Choices, Vol. 3 Words We're Watching: 'Deepfake' A 100% real, verified look A Deep Dive on 'Deep Dive' No lifeguard on duty. Research at your own risk. Cite this Entry Style MLA Chicago APA Merriam-Webster “Deep.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/deep. Accessed 4 May. 2026. Copy Citation Kids Definition deep 1 of 3 adjective ˈdēp 1 a : extending far downward a deep well b : having a great distance between the top and bottom surfaces : not shallow deep water c : extending well inward from an outer or front surface a deep gash d : extending far outward from a center deep space e : occurring or located near the outer limits deep right field 2 : having a specified extension downward or backward a shelf 40 centimeters deep 3 a : difficult to understand a deep book b : mysterious , obscure a deep dark secret c : profound sense 1 a deep thinker d : completely absorbed deep in thought e : being to an extreme degree : heavy deep sleep 4 a : dark and rich in color a deep red b : having a low musical pitch or range a deep voice 5 a : coming from or located well within a deep sigh a house deep in the forest b : covered, enclosed, or filled often to a specified degree knee- deep in water a road deep with snow deeply adverb deep 2 of 3 adverb 1 : to a great depth : deeply 2 : far on : late read deep into the night 3 : near the outer limits the shortstop was playing deep deep 3 of 3 noun 1 a : an extremely deep place or part (as of the ocean) b : ocean sense 1 2 : the middle or most intense part the deep of night Medical Definition deep adjective ˈdēp 1 a : extending well inward from an outer surface a deep gash b (1) : not located superficially within the body or one of its parts deep pressure receptors in muscles (2) : resulting from or involving stimulation of deep structures deep pain deep reflexes 2 : being below the level of the conscious deep neuroses deeply adverb More from Merriam-Webster on deep Nglish: Translation of deep for Spanish Speakers Last Updated: 28 Apr