Merriam-Webster's Word of the Day for December 8, 2025 is:
bravado • \bruh-VAH-doh\ • noun
Bravado refers to confident or brave talk or behavior that is intended to impress other people.
// She tells the stories of her youthful exploits with enough bravado to invite suspicion that they're embellished a bit.
// The crew of climbers scaled the mountain with youthful bravado.
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Examples:
"One problem that exists in the whitewater community overall is that people don't always understand the basic elements associated with water and their ignorance and bravado often lead to an incident where someone gets injured or killed." — Tracy Hines, The Durango (Colorado) Herald, 19 Oct. 2025
Did you know?
Displays of bravado may be show-offish, daring, reckless, and inconsistent with good sense—take, for example, the spectacular feats of stuntpeople—but when successful, they are still likely to be met with shouts of "bravo!" Celebrities, political leaders, corporate giants, and schoolyard bullies, however, may show a different flavor of bravado: one that suggests an overbearing boldness that comes from arrogance or from being in a position of power. The word bravado originally comes from the Italian adjective bravo, meaning "wild" or "courageous," which English can also thank for the more common brave.
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enigmatic
Merriam-Webster's Word of the Day for December 7, 2025 is:
enigmatic • \en-ig-MAT-ik\ • adjective
Something or someone described as enigmatic is mysterious and difficult to understand.
// The band’s lead singer has always been an enigmatic figure, refusing to use social media or even sit for interviews.
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Examples:
“For thirty years, Perlefter’s carpet hung peacefully on the wall in the museum, delighting visitors with its beauty, its unusual palette, enigmatic motifs and its echoes of four empires.” — Dorothy Armstrong, Threads of Empire: A History of the World in Twelve Carpets, 2025
Did you know?
The noun enigma can refer to a puzzle, a riddle, a question mark. It’s no mystery then, that the adjective enigmatic describes what is hard to solve or figure out. An enigmatic person, for example, may be someone with a bit of je ne sais quoi. What’s behind a stranger’s enigmatic smile? Your guess is as good as ours. Does the vocabulary in the short story you’re reading render it a tad enigmatic? Better grab a dictionary! Both enigma and enigmatic come from the Greek verb ainissesthai, meaning “to speak in riddles.”
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sensibility
Merriam-Webster's Word of the Day for December 6, 2025 is:
sensibility • \sen-suh-BIL-uh-tee\ • noun
Sensibility is a formal word often used in its plural form to refer someone’s personal or cultural approach to what they encounter, as in “the speaker made sure to tailor his speech to the sensibilities of his audience.” Sensibility can also be used for the kind of feelings a person tends to have in general, as well as for the ability to feel and understand emotions.
// Many older cartoons feel out of line with modern sensibilities.
// She brought an artistic sensibility to every facet of her life, not just her celebrated painting.
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Examples:
“[Lady] Gaga’s absurdist sensibilities have long been an underrated facet of her work—probably because she’s so good at delivering them with a straight face.” — Rich Juzwiak, Pitchfork, 10 Mar. 2025
Did you know?
The meanings of sensibility run the gamut from mere sensation to excessive sentimentality, but we’re here to help you make sense of it all. In between is a capacity for delicate appreciation, a sense often pluralized. In Jane Austen’s books, sensibility is mostly an admirable quality she attributes to, or finds lacking in, her characters: “He had ... a sensibility to what was amiable and lovely” (of Mr. Elliot in Persuasion). In Sense and Sensibility, however, Austen starts out by ascribing to Marianne sensibleness, on the one hand, but an “excess of sensibility” on the other: “Her sorrows, her joys, could have no moderation ... she was everything but prudent.”
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inoculate
Merriam-Webster's Word of the Day for December 5, 2025 is:
inoculate • \ih-NAHK-yuh-layt\ • verb
To inoculate a person or animal is to introduce immunologically active material (such as an antibody or antigen) into them especially in order to treat or prevent a disease. Inoculate can also mean "to introduce (something, such as a microorganism) into a suitable situation for growth," and in figurative use, it can mean "to protect as if by inoculation" or "to introduce something into the mind of."
// In 1796, the English physician Edward Jenner discovered that inoculating people with cowpox could provide immunity against smallpox.
// The cheese is inoculated with a starter culture to promote fermentation.
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Examples:
"Truffle farmers ... inoculate oak or hazelnut seedlings with truffle spores, plant the seedlings and wait patiently often a decade or more for the underground relationship to mature. The eventual harvest is a reward for years of cooperation between tree and fungus." — David Shubin, The Weekly Calistogan (Calistoga, California), 30 Oct. 2025
Did you know?
If you think you see a connection between inoculate and ocular ("of or relating to the eye"), you have a good eye—both words look back to oculus, the Latin word for "eye." But what does the eye have to do with inoculation? Our answer lies in the original use of inoculate in Middle English: "to insert a bud into a plant for propagation." The Latin oculus was sometimes applied to things that were seen to resemble eyes, and one such thing was the bud of a plant. Inoculate was later applied to other forms of engrafting or implanting, including the introduction of vaccines as a preventative against disease.
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frowsy
Merriam-Webster's Word of the Day for December 4, 2025 is:
frowsy • \FROW-zee\ • adjective
Something described as frowsy has a messy or dirty appearance.
// The lamp, discovered in a neglected corner of a frowsy antique store, turned out to be quite valuable.
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Examples:
“Footage from his early shows is sublime. In one, models with frowsy hair totter along the catwalk in clogs, clutching—for reasons not explained—dead mackerel.” — Jess Cartner-Morley, The Guardian (London), 4 Mar. 2024
Did you know?
Despite its meanings suggesting neglect and inattention, frowsy has been kept in steady rotation by English users since the late 1600s. The word (which is also spelled frowzy and has enjoyed other variants over the centuries) first wafted into the language in an olfactory sense describing that which smells fusty and musty—an old factory, perhaps, or “corrupt air from animal substance,” which Benjamin Franklin described as “frouzy” in a 1773 letter. Frowsy later gained an additional sense describing the appearance of something (or someone) disheveled or unkempt. Charles Dickens was a big fan of this usage, writing of “frowzy fields, and cowhouses” in Dombey and Son and “a frowzy fringe” of hair hanging about someone’s ears in The Old Curiosity Shop. Both senses are still in use today.
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