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:
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
But NEO and Eggie have a secret weapon - they are being controlled by human operators.
From BBC ● Jan. 11, 2026
NEO Surveyor, in particular, has garnered immovable bipartisan support in recent years.
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
German neo- Nazis have committed shocking public atrocities, but they do not presage a national trend toward extremism.
From Time Magazine Archive
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His New State Gallery, furthermore, gets along surprisingly well with the old, an adjacent neo- classic stucco palace built in 1843, because the new building neither clashes with nor detracts from the old.
From Time Magazine Archive
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Moreover, he commands the formidable political machinery of the neo- Gaullist Rally for the Republic Party, which expects to spend $25 million on the campaign.
From Time Magazine Archive
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The neo- Puritans to-day abuse the rebels, young and old, because they have thrown over dogma and discipline.
From Definitions: Essays in Contemporary Criticism by Canby, Henry Seidel
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.