EO

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executive order.

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Question 1 of 7

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His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Other definitions for EO (2 of 3)

eo-

a combining form meaning “early,” “primeval,” used in the formation of compound words: Eocene; eohippus.

Origin of eo-

<Greek, combining form of ēṓs (Attic héōs) dawn; akin to east, Aurora

Other definitions for EO (3 of 3)

e.o.

abbreviation

ex officio.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use EO in a sentence

Supper was announced, and the room emptied fast, whilst he remained motionless leaning on the E O table.
Tales And Novels, Volume 3 (of 10)|Maria Edgeworth
He retreated from the E O table one night, swearing that he never would hazard another guinea.
Tales And Novels, Volume 3 (of 10)|Maria Edgeworth
Two grasses ago I was with a war-party and we caught a white man between the bends of the Tois-ta-to-e-o.
The Way of an Indian|Frederic Remington
He laboriously drew upon it and made E-O which of course destroyed the former brand.
Crooked Trails|Frederic Remington

I—t—e—o—l—'s—r—a—f—e—d—f—a—t—e,I—t—e—i—o—a—o—l—f—,B—n—t—i—e—u—b—r—v—n—a—t—e:B—a—e—o—n—h—s—r—f—.
Harper's Young People, May 24, 1881|Various

British Dictionary definitions for EO (1 of 2)

eo-

combining form

early or primevalEocene; eohippus

Word Origin for eo-

from Greek, from ēōs dawn

British Dictionary definitions for EO (2 of 2)

e.o.

abbreviation for

ex officio

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012