NEO
1 Americanabbreviation
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a combining form meaning “new,” “recent,” “revived,” “modified,” used in the formation of compound words.
neo-Darwinism; Neolithic; neoorthodoxy; neophyte.
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Chemistry. a combining form used in the names of isomers having a carbon atom attached to four carbon atoms.
neoarsphenamine.
combining form
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(sometimes capital) new, recent, or a new or modern form or development
neoclassicism
neocolonialism
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(usually capital) the most recent subdivision of a geological period
Neogene
Etymology
Origin of neo-
< Greek, combining form of néos; akin to new
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
California-based 1X plans to start shipping its home helper robot NEO later this year.
From BBC ● Jul. 6, 2026
However, NASA's NEO Surveyor mission, scheduled to launch in 2027, could help solve the mystery.
From Science Daily ● May 14, 2026
A NEO robot from 1X, meant for home use, can be reserved for $20,000.
From Barron's ● Feb. 6, 2026
At the bare minimum, then, NASA’s ongoing planetary defense work should tick along as planned, with NEO Surveyor continuing to be funded, as well as its ground-based asteroid-questing telescopes.
From Salon ● Jan. 28, 2025
All our host Were not so fair a prize for him as I. NEO.
From The Seven Plays in English Verse by Sophocles
“Democracy in the shape of the Roosevelt coalition was a problem, perhaps the domestic problem for the Hooverites, neo- and paleo- alike,” he writes.
From New York Times ● Feb. 14, 2023
It is crucial to Gorbachev's strategy in dealing with the U.S. that Americans worry about his being replaced by a neo-Brezhnevite, if not a neo- Stalinist.
From Time Magazine Archive
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Updike is echoed by fellow novelist John Barth, whom Wolfe calls "the peerless leader" of the retreat from realism for his "neo- fabulist" style.
From Time Magazine Archive
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Likewise, babies of women who delay seeking adequate prenatal care are at high risk for birth defects and neo- natal trouble.
From Time Magazine Archive
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I am thankful that the neo- phyte will be benefited by experience, although it will cost him much, and in proportion to its worth.
From Miscellaneous Writings, 1883-1896 by Mary Baker Eddy
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.