NEO

¹ American  

abbreviation

1. near-earth object.

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neo- ² American  

1. a combining form meaning “new,” “recent,” “revived,” “modified,” used in the formation of compound words.

   neo-Darwinism; Neolithic; neoorthodoxy; neophyte.

2. Chemistry. a combining form used in the names of isomers having a carbon atom attached to four carbon atoms.

   neoarsphenamine.

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neo- British  

combining form

1. (sometimes capital) new, recent, or a new or modern form or development

   neoclassicism

   neocolonialism

2. (usually capital) the most recent subdivision of a geological period

   Neogene

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Etymology

Origin of neo-

< Greek, combining form of néos; akin to new

Example Sentences

Norwegian CEO Bernt Børnich says NEO is very useful in his own home, busily hoovering and tidying up after his family, which he says is "a mix" of autonomous action and human-operated.

From BBC • Jan. 11, 2026

Here’s the tale of the tape: The average NEO of the PE/alt group has been paid some $2.3 billion, while the average legacy bank NEO made $331 million.

From Barron's • Dec. 5, 2025

Cheng says he hopes future missions, such as NASA’s NEO Surveyor, set to launch in 2027, may be able to find a larger population of lunar debris still orbiting in our neighborhood.

From Science Magazine • Apr. 19, 2024

Participating builders and designers include Sidekick Homes, Building Blocks, NEO Builders, 360 Builders, Bunch ADU, Abodu and Maxable, who will also be on-site to answer questions.

From Los Angeles Times • Jan. 31, 2024

All our host Were not so fair a prize for him as I. NEO.

From The Seven Plays in English Verse by Sophocles