Merriam-Webster's Word of the Day

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  1. 15時間前

    crepuscular

    Merriam-Webster's Word of the Day for March 8, 2026 is: crepuscular • \krih-PUHSS-kyuh-ler\  • adjective Crepuscular means “of, relating to, or resembling twilight.” It is used in zoological contexts to describe creatures that are active during twilight, or the activities of such creatures. // As evening came on, fireflies began to appear in the crepuscular gloaming. See the entry > Examples: “To gaze upon a platypus is to witness a jumble of contradictions. … Even when you see one with your own eyes—say, paddling underwater, absorbed in her crepuscular rooting—the platypus (Ornithorhynchus anatinus) remains hard to believe.” — Kathleen Yale, Orion, Winter 2025/2026 Did you know? The early Romans had two words for the twilight. Crepusculum was favored by Roman writers for the half-light of evening, just after the sun sets; diluculum was reserved for morning twilight, just before the sun rises—it is related to lūcidus, meaning “bright.” (Crepusculum was likely modeled on diluculum, from the assumed root krepos-, meaning “twilight.”) English speakers didn’t embrace either of these Latin nouns as substitutes for the word twilight, but they did form the adjective crepuscular in the 17th century. The word’s zoological sense, relating to animals that are most active at twilight, developed in the 19th century.

    2分

  2. 1日前

    libertine

    Merriam-Webster's Word of the Day for March 7, 2026 is: libertine • \LIB-er-teen\  • noun A libertine is in broad terms a person who is unrestrained by convention or morality. More narrowly, the word describes someone who leads an immoral life. // The legend of Don Juan depicts him as a playboy and libertine. See the entry > Examples: "As horrifying as some of the sins of Victorian scholarship may have been, it would have been anathema to these students of classical philosophy to simply throw out Plato. But that's what some of their modern inheritors have tried to do. … It's worth noting that we might not have Plato's work at all, were it not carefully studied and preserved by the Islamic scholars (hardly libertines themselves) of the medieval period." — R. Bruce Anderson, The Ledger (Lakeland, Florida), 1 Feb. 2026 Did you know? "I only ask to be free," says Mr. Skimpole in Charles Dickens' Bleak House. His words would undoubtedly have appealed to the world's first libertines. The word libertine comes from the Latin lībertīnus, a word used in early writings of Roman antiquity to describe a formerly enslaved person who had been set free (the Roman term for an emancipated person was the Latin lībertus). Middle English speakers used libertine to refer to a freedman, but by the late 1500s its meaning was extended to freethinkers, both religious and secular, and it later came to imply that an individual was a little too unrestrained, especially in moral affairs. The likely Latin root of libertine is līber, the ultimate source of our word liberty.

    2分

  3. 2日前

    vaunted

    Merriam-Webster's Word of the Day for March 6, 2026 is: vaunted • \VAWN-tud\  • adjective Vaunted describes someone or something that is often spoken of or described as very good or great. // The team’s vaunted defense faltered in the second half of the game. See the entry > Examples: “After much initial hype, the much vaunted new production partnership fizzled out after just two seasons, leaving the franchise scrambling for a new direction and without a lead actor in its signature role.” — Lacy Baugher, Den of Geek, 22 Jan. 2026 Did you know? The verb vaunt has been used since the 15th century with the meaning “to make a vain display of one’s own worth or attainments”—in other words, “to brag or boast.” Over time, vaunt developed the meaning “to boast of (a particular thing),” as in “the promotional flier vaunts the natural beauty of the area,” and that use gave rise to the adjectival form vaunted. The history of vaunt and vaunted leads back to the Latin word vānus, with the meanings “lacking content, empty, illusory, marked by foolish or empty pride.” The word vain itself is also a descendant of vānus.

    2分

  4. 3日前

    deem

    Merriam-Webster's Word of the Day for March 5, 2026 is: deem • \DEEM\  • verb Deem is a somewhat formal word used when someone comes to think something or to have something as an opinion after some consideration. // The covered bridge was closed to automobile traffic for the winter because town officials deemed it a hazard to motorists. See the entry > Examples: “bbno$ is an artist who has certainly taken some flak over the years for his style. Some find it to be a gimmick, while others deem it corny. Despite this, he does have a pretty sizable fanbase.” — Alexander Cole, HotNewHipHop.com, 10 Jan. 2026 Did you know? If you feel a sense of doom when asked to define deem, we’re here with some details for your dome (sense 7). While today deem is used generally as a synonym of consider (as in “a movie deemed appropriate for all ages”), its origins are more formal, coming specifically from the realm of law. The oldest meaning of deem, which comes from the Old English verb dēman (relative of dōm, meaning “doom”) is “to sit in judgment upon,” as employed by Edmund Spenser in The Faerie Queen: “... at th’one side six Judges were dispos’d, / To view and deem the deeds of arms that day.” This sense was obsolete by the early 17th century, and other senses including “to expect or hope” have come and gone, but deem’s use overall has never dimmed. In fact, today’s most common meaning of “to come to think or judge something; to consider” has also been in use since Old English and is still deemed quite common.

    2分

  5. 4日前

    ad hoc

    Merriam-Webster's Word of the Day for March 4, 2026 is: ad hoc • \AD-HOCK\  • adjective Ad hoc describes something that is formed or used for a special purpose, or that is made or done without planning because of an immediate need. // An ad hoc committee was formed to investigate the matter. // The company will hire more staff on an ad hoc basis. See the entry > Examples: "At the centre of the plan were tools designed to help governments and councils move beyond ad hoc responses to extreme weather." — Kirsty Johnston, The New Zealand Herald, 31 Jan. 2026 Did you know? In Latin ad hoc literally means "for this," and in English the term describes anything that can be thought of as existing "for this purpose only." For example, an ad hoc committee is generally authorized to look into a single matter of limited scope, not to broadly pursue any issue of interest. Ad hoc can also be used as an adverb meaning "for the particular end or case at hand without consideration of wider application," as in "decisions were made ad hoc."

    2分

  6. 5日前

    spiel

    Merriam-Webster's Word of the Day for March 3, 2026 is: spiel • \SPEEL\  • noun A spiel is a fast speech that someone has often said before and that is usually intended to persuade people to buy something or to agree to something. // The founder gave us a long spiel about the benefits of joining the running club. See the entry > Examples: “We were in a hotel and when he and his publicist exited one door of the suite, I slipped out the other to meet him at the elevator. I gave him my spiel about the film and handed him a rough cut on VHS. He said, ‘Alright, we’ll take a look.’” — Ed Burns, quoted in The Hollywood Reporter, 21 Jan. 2026 Did you know? Here’s our spiel on spiel: it’s well-known as a noun, and you may also be aware that spiel can be used as a verb meaning “to talk extravagantly,” but did you know that the verb can also mean “to play music”? That, in fact, is the word’s original meaning, and one it shares with its German root, spielen. Spiel is also found in glockenspiel, the name of a musical instrument similar to the xylophone.

    2分

  7. 6日前

    exhilarate

    Merriam-Webster's Word of the Day for March 2, 2026 is: exhilarate • \ig-ZIL-uh-rayt\  • verb Exhilarate means "to cause (someone) to feel very happy and excited." It is usually used in the passive voice as (be) exhilarated. // She was exhilarated by the prospect of attending her dream school. See the entry > Examples: "I'll say it: winter is my favorite season for jazz in Chicago. Summer may be busier and splashier, but there's nothing quite like nestling into a darkened club, cheeks flushed from the cold, for a singular and inventive night of music. It does more than thaw frozen fingers: It exhilarates, inspires and inflames, in the best way." — Hannah Edgar, The Chicago Tribune, 11 Jan. 2026 Did you know? Many people find exhilarate a difficult word to spell. It's easy to forget that silent "h" in there, and is it an "er" or "ar" after the "l"? It may be easier to remember the spelling if you know that exhilarate ultimately comes from the Latin adjective hilarus, meaning "cheerful." (This also explains why the earliest meaning of exhilarate is "to make cheerful.") Exhilarate comes from exhilaratus, a form of exhilarare, which combines ex- and hilarare, a verb from hilarus that means "to cheer or gladden." If hilarus looks familiar, that may be because it's also the source of hilarious and hilarity (as well as hilariously and hilariousness, of course).

    2分

  8. 3月1日

    paean

    Merriam-Webster's Word of the Day for March 1, 2026 is: paean • \PEE-un\  • noun Paean is a literary word that refers to a song of joy, praise, or victory. It can also be used as a synonym of tribute for a work that praises or honors its subject. // Her retirement party featured many paeans for her long years of service to the company. // Critics considered the movie both a thrilling Western and a paean to the natural beauty of the Rockies. See the entry > Examples: “The show is a tender study of people struggling to do right by themselves and others. It's also a paean to Chicago, my hometown ...” — Isaac Stanley-Becker, The Atlantic, 10 Aug. 2025 Did you know? In ancient Greece, Paiā́n (or Paiṓn) was a name used for the god Apollo when in the guise of physician to the gods (Paiā́n/Paiṓn comes from the name of an older Mycenaean healer god). Paiā́n and paiṓn were also used to refer to hymns of thanksgiving and praise sung especially to Apollo, as was their Latin descendant, paean. When paean first appeared in English in the late 16th century, it was used both in the context of Greek history and in general for a joyous song or hymn of praise, tribute, thanksgiving, or triumph. Over time, the word became even more generalized, and it is now used for any kind of tribute.

    2分

  9. 2月28日

    congruous

    Merriam-Webster's Word of the Day for February 28, 2026 is: congruous • \KAHNG-groo-us\  • adjective Something described as congruous is in agreement, harmony, or correspondence with something else. Congruous can also describe something that is appropriate for a particular circumstance or requirement, or a thing that is marked or enhanced by harmonious agreement among its constituent elements. // Their professional achievements were congruous with their academic abilities. // The low bookshelf forms a congruous barrier between the spaces. // It is a congruous, plausible story, consistent in all its details. See the entry > Examples: “Hannah is a sustainability consultant and climate impact manager, which is congruous with an outdoor ethos and the culture around bike guiding ...” — Wendy Altschuler, Forbes, 3 Sept. 2024 Did you know? Congruous had only been part of the English language for a few decades in 1615, when a book about the Church of Rome referred to “teaching most congruous to reason.” The word has remained more or less true to its Latin roots: it comes from Latin congruus, an adjective that comes from the verb congruere, meaning “to come together” or “to agree.” (Its more common antonym, incongruous is about the same age.) Another familiar congruere descendant in English is congruent, which first appeared at least a century earlier with the same meaning as congruous. English also acquired congrue, a verb meaning “to be in harmony” or “to agree,” from congruere, but it has since become obsolete.

    2分

  10. 2月27日

    nettle

    Merriam-Webster's Word of the Day for February 27, 2026 is: nettle • \NET-ul\  • verb To nettle someone is to make them angry or annoyed. // Though he tried to maintain a friendly tone, the town official was clearly nettled by the reporter's suggestion that the town was at fault. See the entry > Examples: "I can't help but be reminded of an idiom that irked me no end during times of familial stress ... : 'Use it or lose it.' The message being that if a skill or resource is not regularly utilised, over time, we will lose it. As nettled as I was by it, I now feel obliged to acknowledge the obvious truth behind the catchphrase." — Gwen Loughman, The Journal (Ireland), 21 Aug. 2025 Did you know? If you've ever brushed against nettles, you know those plants have sharp bristles that can leave you smarting and itching. The painful and irritating rash that nettles cause can last for days, but at least it is a rash with a linguistic silver lining. The discomfort caused by nettles can serve to remind one that the verb nettle is a synonym of irritate. Nettle originated as a plant name that we can trace to the Old English word netel. Eventually, people likened the persistent stinging itch caused by the plant to the nagging aggravation of being annoyed, and nettle joined the likes of vex, peeve, and irk in describing such little miseries.

    2分
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