omni-

American  

1. a combining form meaning “all,” used in the formation of compound words.

   omnifarious; omnipotence; omniscient.

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omni- British  

combining form

1. all or everywhere

   omnipresent

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Usage

What does omni- mean? Omni- is a combining form used like a prefix meaning “all.” It is often used in scientific and technical terms.Omni- comes from Latin omnis, meaning “all.” The Greek translation of omnis is pâs “all, each, every,” which is the source of the combining forms pan- and panto-, as in panorama and pantomime. To learn more, check out our Words That Use articles for the combining forms pan-, pant-, and panto-.

Etymology

Origin of omni-

< Latin, combining form of omnis

Example Sentences

A major engine of consumer success in the last year and a half was a version of ChatGPT dubbed GPT-4o, for “omni,” or the ability to function across text, audio and images.

From The Wall Street Journal

The conference was taking place in New Haven’s Omni Hotel, a few blocks from the Yale campus where I first encountered urban history as an undergrad two decades ago.

From Slate

Nick Kantor, the group’s program director, summed up this big-tent vibe in a closing message that referred to the four keynotes: “An anti-racist scholar, a Republican governor, a legendary environmentalist, and a housing economist walk into the Omni … sounds like the opening of a joke, but this was YIMBYtown 2025!”

From Slate

No one listening that night, at the Omni in Atlanta, would have mistaken what they heard for a concession speech.

From Los Angeles Times

Opera makers of all sorts and from all continents have checked into the Omni hotel downtown.

From Los Angeles Times