brain
noun
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Definition of brain
(Entry 1 of 2)
brain
verbDefinition of brain (Entry 2 of 2)
Illustration of brain
Noun
brain 1a: 1 cerebral hemisphere, 2 corpus callosum, 3 ventricle, 4 fornix, 5 thalamus, 6 pituitary gland, 7 pons, 8 medulla oblongata, 9 spinal cord, 10 cerebellum, 11 midbrain
In the meaning defined above
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Synonyms & Antonyms for brain
Synonyms: Noun
brainiac, genius, intellect, thinker, whiz, wiz, wizard
Antonyms: Noun
blockhead, dodo, dolt, dope, dumbbell, dummy, dunce, fathead, goon, half-wit, hammerhead, idiot, imbecile, knucklehead, moron, nitwit, numskull (or numbskull), pinhead
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Examples of brain in a Sentence
Noun
Scientists are learning more about how the human brain works. The left and right sides of the brain have different functions. The other children always teased him about being such a brain.Verb
The tree limb fell and nearly brained me.
Recent Examples on the Web: Noun
He was immediately rushed into surgery after doctors found a brain bleed, police said in court documents. — Jay R. Jordan, Houston Chronicle, "Houston man wanted for beating child could be in California, authorities say," 21 Aug. 2019 It's been shown, for example, that fine particles in air pollution can travel to the rodent brain via the nose. — Amy Norton, chicagotribune.com, "Researchers question whether dirty air could spur a rise in mental illness," 21 Aug. 2019 The sweaty haggis in my skull that calls itself a brain kept flashing a 404 error message. — Andrew J. Hawkins, The Verge, "I can’t wrap my feeble American brain around this massive bike parking garage in the Netherlands," 20 Aug. 2019 The study is the most recent addition to a proliferation of research aiming to measure the impact of e-cigarettes on the heart, blood vessels, lungs and brain. — Michael Nedelman, CNN, "E-cigarettes change blood vessels after just one use, study says," 20 Aug. 2019 In an age when people with brains burned out on digital devices crave physical talismans, crystals seem to promise wisdom from the core of the earth. — Rachel Syme, The New Yorker, "Crystals’ Resurgence in the Self-Care Age," 20 Aug. 2019 The brain disorder ultimately left him unable to care for himself. — Mary Jacobs, Dallas News, "The cost conundrum: Once you find the right elder care, do the research to pay for it," 20 Aug. 2019 In a combustion car, the various electronic brains, known as electronic control units, or ECUs, work somewhat independently of one another. — Fortune, "Electric Car Gold Rush: The Auto Industry Charges Into China," 20 Aug. 2019 Given the mysteries of brain chemistry and its confluence with life experience, could science really decipher what drives an individual to want to die? — Jennifer Couzin-frankel, Science | AAAS, "My younger sister died by suicide. Can science succeed in helping others?," 20 Aug. 2019Recent Examples on the Web: Verb
Long before blows land, the audience is taking inventory of the props, assessing which could be used by one brother to brain or strangle the other. — Graeme Wood, The Atlantic, "Sam Shepard Saw It All Coming," 11 July 2019 These structures also raise an ethical question that used to be strictly in the realm of science fiction — can brain organoids become sufficiently advanced to develop consciousness? — San Diego Union-Tribune, "Biotech notebook: Cancer discovery, bacterial syringes and organoids," 13 July 2019 By the 1980s, scientists had figured out that our early ancient relatives were short and small-brained up to about two million years ago. — Quanta Magazine, "Scientists Seek to Update Evolution," 22 Nov. 2016 And yet the story rolls on, oblivious and hare-brained. — John Anderson, WSJ, "‘The Romanoffs’ Review: Far From Revolutionary," 11 Oct. 2018 According to the study, the ratio of neurons to brain size in most carnivores was nearly equivalent to herbivores. — Elly Belle, Teen Vogue, "Study Says Dogs Are Actually Smarter Than Cats," 18 June 2018 Took out Isadora Duncan when her scarf got caught in the spokes of a wheel, decapitated Jayne Mansfield, sprayed John Kennedy’s brains all over his wife. — Aaron Gilbreath, Longreads, "The Red Caddy," 24 Apr. 2018 At least 64 people perished during the storm, drowned in their houses or brained by flying debris. — The Economist, "America has let down its Puerto Rican citizens," 12 Apr. 2018 Yet if there’s a British stereotype of American English as twangy and slangy, there’s a corresponding American stereotype of British English as quaint and feather-brained. — Henry Hitchings, WSJ, "‘The Prodigal Tongue’ Review: More Trouble in the Colonies," 12 Apr. 2018These example sentences are selected automatically from various online news sources to reflect current usage of the word 'brain.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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More Definitions for brain
brain
noun
English Language Learners Definition of brain
(Entry 1 of 2)