「ONE」の定義と意味 - メリアム・ウェブスター

ONE Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition adjective noun pronoun noun suffix adjective 4 adjective noun pronoun noun suffix Synonyms Example Sentences Word History Phrases Containing Rhymes Entries Near Related Articles Video 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 one 1 of 4 adjective ˈwən Synonyms of one Simple Definition A Simple Definition is available from our Learner's Dictionary to help you understand the meaning faster. 1 : being a single unit or thing one day at a time She is one year old. 2 a : being one in particular early one morning The Grand Canyon is one place I'd like to visit. b : being preeminently what is indicated one fine person She is one tough teacher. 3 a : being the same in kind or quality both of one species "Puma" and "cougar" are different names for one animal. b (1) : constituting a unified entity of two or more components The combined elements form one substance. (2) : being in agreement or union am one with you on this 4 a : some sense 1 will see you again one day b : being a certain individual specified by name One John Doe made a speech. c — used to indicate that two or more people or things are actually the same person or the same kind "Puma" and "cougar" are different names for one animal. The author and the main character are one and the same . 5 : only sense 2a the one person she wanted to marry one 2 of 4 noun 1 : the first whole number above zero see Table of Numbers 2 : the number denoting unity 3 a : the first in a set or series — often used with an attributive noun day one b : an article of clothing of a size designated one wears a one 4 : a single person or thing has the one but needs the other 5 : a one-dollar bill see also: at one for one one 3 of 4 pronoun 1 : a certain indefinitely indicated person or thing saw one of his friends 2 a : an individual of a vaguely indicated group : anyone at all one never knows b — used as a third person substitute for a first person pronoun I'd like to read more but one doesn't have the time. 3 : a single instance of a specified action … felt like belting him one . — John Casey Using One as a Pronoun: Usage Guide Sense 2a is usually a sign of a formal style. A formal style excludes the participation of the reader or hearer; thus one is used where a less formal style might address the reader directly. for the consequences of such choices, one has only oneself to thank — Walker Gibson This generic one has never been common in informal use in either British or American English, and people who start sentences with one often shift to another pronoun more natural to casual discourse. when one is learning the river, he is not allowed to do or think about anything else — Mark Twain Use of one to replace a first-person pronoun—sense 2b—has occasionally been criticized. It is more common in British English than in American. I'm watching this pretty carefully and I hope that the issue will come up in the Lords and one may be able to speak about it — Donald Coggan -one 4 of 4 noun suffix : ketone or related or analogous compound or class of compounds lact one quin one Synonyms of one Relevance Adjective only lone Noun dollar buck See All Synonyms & Antonyms in Thesaurus Examples of one in a Sentence Adjective There is one minute left in the game. I have a few one- dollar bills in my purse. She is one year old. Noun one , two, three, four, … I don't have any ones . Can you break a five? I'll be there at one . Pronoun “I'll have an iced tea, please.” “I'll have one , too.” Their dog died, but they plan to get another one . “You should wear the blue one .” “The one with the stripes?” “No, the other one .” I'd like to see the ring next to that one . Which one did you like better? He is the one who called the police. That's one possible answer—but not the only one . I would like to read more, but one doesn't have the 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 Drinkwater didn't make one appearance in a Chelsea shirt last season, whilst Bakayoko spent the season in Italy on loan at AC Milan. — SI.com , 3 Aug. 2019 Decisions made by engineers today, in other words, will determine not how one car drives but how all cars drive. — Johannes Himmelreich, BostonGlobe.com , 30 Mar. 2018 Noun His incredulity about their increasingly risky adventures—this is the one that involves a Pontiac Fiero in outer space—becomes one of the film’s running gags. — Hua Hsu, New Yorker , 29 Apr. 2026 That one lasted roughly 10 seconds. — Kathryn Palmer, USA Today , 29 Apr. 2026 See All Example Sentences for one Word History Etymology Adjective, Noun, and Pronoun Middle English on, an , from Old English ān ; akin to Old High German ein one, Latin unus (Old Latin oinos ), Sanskrit eka Noun suffix International Scientific Vocabulary, alteration of -ene First Known Use Adjective before the 12th century, in the meaning defined at sense 1 Noun before the 12th century, in the meaning defined at sense 1 Pronoun 13th century, in the meaning defined at sense 1 Time Traveler The first known use of one was before the 12th century See more words from the same century Phrases Containing one according to one's lights act one's age advise one against a feather in one's cap a fight for one's life a figment of one's imagination after one's own heart against one's advice against one's better judgment against one's will against one's wishes a great one for ahead of one's / its time ahead of one's time air one's dirty laundry a jury of one's peers a legend in one's own time (all) by one's lonesome all in one all in one's head all in one's mind (all) in one whack all one can do all (that) one can do almost jump out of one's skin a lump in one's throat (a) method in / to one's madness an ace up one's sleeve ants in one's pants a / one step ahead of a one - way ticket to Dullsville apple of one's eye are / keep / stay one jump ahead a roof over one's head as best one can a smile on one's lips as one as one man as / so far as one can see / tell / judge as / so far as one / someone knows as / when the spirit moves one at / in the back of one's mind at one at one's age at one's beck and call at one's door at one's elbow at one's feet at one's fingertips at one's leisure at one's own peril at one's own risk at one's peril at one's wits' end at one time at one time or another at one with at the bottom of one's / the class at the end of one's patience at the top of one's form at the top of one's game at the top of one's lungs at the top of one's / the class at the top of one's voice a twinkle in one's eye avert one's eyes a weight off one's mind / shoulders backed one into a corner back of one's hand back of one's mind bang for one's buck bang for one's dollar bare one's soul bats in one's belfry bawl one's eyes out be a great one for beat one's brains out beat one to it be / become one's own man bee in one's bonnet before one can blink before one knows it before one's time be given one's card beg one's pardon behind one's back be left to one's own devices believe one's eyes / ears bend one's ear bend under one's own weight beneath one's dignity be one's own boss be one's usual self be on one's merry way be run / rushed off one's feet beyond one's comprehension beyond one's control beyond one's depth beyond one's wildest dreams / fantasies big one bite off more than one can chew bite one's tongue bite the hand that feeds one blood on one's hands blot one's copybook blow one's cool blow one's cover blow one's mind blow one's own horn blow one's own trumpet blow one's stack blow one's top bluff one's way born with a silver spoon in one's mouth break one's fall break one's heart break one's neck break one's promise break one's / someone's fall break (one's) stride break one's wrists breathe down one's neck breathe one's last bring a smile to one's lips bring a tear to one's eye bring tears to one's eyes broaden one's horizons / mind bulldoze one's way burn one's boats burn one's bridges burn one's ears bust a / one's gut button one's lip / lips buy one's way by one's own account by one's own admission by one's own bootstraps by one's own hand by the seat of one's pants by the skin of one's teeth by the sweat of one's brow call it / them like one sees it / them call one's bluff cancel each other / one another out (can) trace one's history (back) to carry all / everything before (one) carry the weight of the world on one's shoulders cast one's ballot cast one's lot with cast / run one's eye over cast / spread one's net wide catch one's breath catch one's drift chance one's arm change one's mind change one's opinion / views change one's story change one's tune change one's ways chip on one's shoulder circle the / one's wagons claw one's way clean one's clock clean one's plate clean up one's act clear one's name clear one's throat click one's tongue close / dear / near to one's heart close one close one's doors close one's eyes to come back to bite one come into one's own come one, come all come / pop into one's head come to one's senses cook one's goose cool one's heels count one's blessings count one's chickens (before they hatch) count one's chickens before they're hatched cover one's tracks cramp one's style cross one's fingers cross that bridge when one comes to it cudgel one's brains curl one's lip cut off one's nose to spite one's face cut of one's jib cut one's losses cut one's own throat cut one's teeth day one dead on one's feet declare (one's) independence die before one's time die in one's bed die in one's sleep dig in one's heels dig one's own grave do as one is told do as one pleases do as one wishes doff one's cap to doff one's hat