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• op
  op

  noun

  op art.
• OP
  OP

  observation post.
• op-
  op-

  variant of ob- (by assimilation) before p:
• op.
  op.

  abbreviation

  opera.
• Op.
  Op.

  abbreviation

  opus.
• o.p.
  o.p.

  abbreviation

  out of print.
• O.P.
  O.P.

  abbreviation

  Order of Preachers (Dominican).

op

¹ American  

[op] / ɒp /

noun

1. op art.

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OP ² American  

Or O.P.

1. observation post.

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op- ³ American  

1. variant of ob- (by assimilation) before p:

   oppose.

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op. ⁴ American  

abbreviation

1. opera.

2. operation.

3. opposite.

4. opus.

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Op. ⁵ American  

abbreviation

1. opus.

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o.p. ⁶ American  

abbreviation

1. out of print.

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O.P. ⁷ American  

abbreviation

1. Order of Preachers (Dominican).

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O.P. ⁸ American  

abbreviation

1. observation post.

2. British Theater. opposite prompt.

3. out of print.

4. overproof.

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op. ¹ British  

abbreviation

1. operation

2. opus

3. operator

4. operational

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OP ² British  

abbreviation

1. military observation post

2. Ordo Praedicatorum (the Dominicans)

3. organophosphate

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o.p. ³ British  

abbreviation

1. out of print

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Usage

What else does OP mean? On internet forums and message boards, OP is short for original poster, or the person who started the thread that users comment on. In video gaming, anime, and sports, OP is a shorthand for overpowered, describing an indomitable character or player. Contet warning: This article features information about a homophobic slur that is highly offensive. How do you pronounce OP?[ oh-pee ]

Etymology

Origin of O.P.

From Latin Ōrdō Praedicātōrum

Example Sentences

“As you can see, everyone’s loving it. Everyone’s getting a photo op standing in front of it,” Arby’s franchisee Roger Amaya said.

From Los Angeles Times • Apr. 27, 2026

Unsettled, they tried to rush out after the event but were corralled to flank Gorka in a photo op.

From Salon • Apr. 22, 2026

Ku said Trump would be eager to display his diplomatic prowess by securing a rare photo op with Kim.

From Barron's • Feb. 12, 2026

Influencers looking for a perfect photo op competed against tiger moms hoping that a glimpse of the robot-powered assembly lines might inspire their kids to pursue tech careers.

From The Wall Street Journal • Jan. 4, 2026

A system that runs op grits instead of good sense.

From "Out of My Mind" by Sharon M. Draper