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Simple Definition of op

from our Learner's Dictionary

op

1 of 2

noun

ˈɑːp

plural ops

British, informal : a medical operation

I have my op tomorrow.

chiefly US : a set of planned actions for a particular purpose

—usually plural

military ops [=operations]

2 of 2

abbreviation

operation; operative; operator

opportunity

opus

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“Op.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/op. Accessed 22 Jun. 2026.

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Simple Definition of op

op

noun

abbreviation

Cite this Entry

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