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Definitions

C.O.

NOUN
conscientious objector
Synonyms


co
NOUN
carbon monoxide
Synonyms


NOUN
commanding officer
Synonyms






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.

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Alec Ginsberg, a fourth-generation pharmacist who owns C.O.

From MarketWatch Jul. 23, 2026

Instead, it was “so many people screaming, screaming to talk to each other. Screaming for assistance: ‘Yo, C.O., my toilet flooded.

From Slate May 19, 2025

The C.O. sat glued to this chair, looking bored.

From Salon Aug. 8, 2020

“A lot of big names come into C.O. Bigelow; they’re usually pretty humble,” Mr. O’Connor said.

From New York Times Mar. 5, 2020

“It looks like the troops are goldbricking again and the C.O. needs to revamp the work detail. Let’s cut the idle chitchat and police up the area.”

From "The Great Santini" by Pat Conroy

This was supposed to be the Netherlands' time, as Johan Cruyff and co dazzled throughout the tournament with their revolutionary Total Football approach.

From BBC Jul. 17, 2026

Ancelotti ticks that box: a record five Champions League titles and trophies in all five of Europe's major leagues carry real weight, even in a dressing room featuring Neymar, Vinicius Jr, Raphinha and co.

From BBC Jun. 1, 2026

Liverpool's season to forget may have finished last week but the problems continue for Slot and co.

From BBC May 29, 2026

The work was co led by Henn and Simon Gravel of McGill University.

From Science Daily Apr. 26, 2026

D i s co m f It/d I s co m Fo RT.

From "Woe Is I" by Patricia T. O'Conner




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