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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.

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

An older, more-seasoned lifeboat pilot, future station C.O.

From Seattle Times • Aug. 18, 2019

As for the carbon monoxide, he said, “It was high. Had this not happened, I would have told my client, ‘You need to get your C.O. fixed.’”

From New York Times • Mar. 24, 2017

If you do your job—at the D.M.V. or as a C.O. or a pfc.—equity and fairness are, achingly, protected.

From The New Yorker • Aug. 22, 2016

When he looked behind him and saw a wobbling, pixilated mass of men doing their best to imitate a line, he barked, “Follow me, hogs. Follow your C.O. and that is an order.”

From "The Great Santini" by Pat Conroy




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