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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

Loco told him that it had all been pretty bad, and the C.O. talked to Loco about his own experience.

From New York Times • Apr. 6, 2021

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

From Seattle Times • Aug. 18, 2019

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

“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




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