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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

“Bud” Adams Jr.; television executive and producer Roone Arledge; longtime Oilers/Titans scout C.O.

From Seattle Times Jul. 7, 2022

“A C.O. had told me that I was never going home and that really got to me,” he said of one occasion.

From New York Times Dec. 17, 2021

Permission for flight obtained from C.O. and I had made 4 successful night landings, 3 on simulated flare path, immed. previous to departure.

From "Code Name Verity" by Elizabeth Wein

Football fever is growing in the States with the co hosts looking an organised side.

From BBC Jul. 4, 2026

In 2014, I was part of the side that returned home with our tails between our legs after losing 5-0 to Mitchell Johnson and co.

From BBC Jun. 2, 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

Ochwat and study co author Ted Scambos, a senior research scientist at the University of Colorado Boulder, said new satellite technologies could significantly improve scientists' understanding of rapid glacier retreat.

From Science Daily May 19, 2026

When I got to the trailer, I was able to say what I had been waiting all week to spring on her: "Chi co khoe khong?"

From "Counting by 7s" by Holly Goldberg Sloan




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