Word.ws English Dictionary

op

/ɒp/US/ɑp/

op noun: an amateur radio operator. Also the clipping of opponent.

Noun (1)

op (plural ops)

  1. (informal) An amateur radio operator.
  2. (Internet, informal) An operator on IRC, who can moderate the chat channel, ban users, etc.

Verb (1)

op (third-person singular simple present ops, present participle opping, simple past and past participle opped)

  1. (Internet, transitive) To promote (an IRC user) to an operator.
    • True, better clients will remember that a person had a voice before they were opped and will return the + when they are deopped, but that doesn't solve the problem. Suppose someone joins the room after the user is opped and before the user is deopped.1999, Cory McWilliams, “IRC Oddities”, in alt.irc (Usenet)
    Antonyms:
    deop

Verb (2)

op (third-person singular simple present ops, present participle opping, simple past and past participle opped)

  1. (Australia, informal, transitive) To buy (something) from an op shop.
  2. (Australia, informal, intransitive) To shop at op shops.

Noun (2) capitalized: OP

OP (countable and uncountable, plural OPs)

  1. (abbreviation, initialism) Initialism of Overall Position.
  2. (abbreviation, initialism) Initialism of opposite prompt; stage right.
  3. (Internet, abbreviation, initialism, often) Initialism of original poster; the person who started a thread.
    • I don't think your response really answers OP's question.
    • “In addition to the post’s content, LLMs were provided with personal attributes of the OP (gender, age, ethnicity, location, and political orientation), as inferred from their posting history using another LLM,” they write.2025 April 28, Karissa Bell, “Researchers secretly experimented on Reddit users with AI-generated comments”, in Engadget
  4. (abbreviation, initialism) Initialism of observation post.
  5. (abbreviation) Abbreviation of organophosphate.
  6. (abbreviation, initialism, slang) Initialism of other person's; a cigarette cadged from someone.
  7. (abbreviation) Abbreviation of outpatient.
    Antonyms:
    IP
  8. (abbreviation, music industry) Abbreviation of original publishing.

Proper noun capitalized: OP

OP

  1. (abbreviation) Abbreviation of Original Pronunciation
  2. (Philippines, abbreviation, initialism, some other countries) Initialism of Office of the President.
  3. (abbreviation, initialism, religious) Initialism of Ordo Praedicatorum (Order of Preachers, the Dominicans, a religious order).
  4. (abbreviation, initialism) Initialism of One Piece.

Adjective capitalized: OP

OP (not comparable)

  1. (abbreviation) Abbreviation of out of print.
    Synonyms:
    OOP
  2. (abbreviation) Abbreviation of overproof.
  3. (abbreviation) Abbreviation of overpowered.
    • I know they are going to tweak stuff in the next few weeks with patches as they find one class is OP and another is sucking...2012 August 29, “Re: 5.0.4 first blush”, in alt.games.warcraft (Usenet), message-ID <k1l1nq$emb$1@dont-email.me>
    Antonyms:
    underpowered, nerfed
  4. (Internet, abbreviation, initialism) Initialism of overplayed.

Noun (3) capitalized: OP

OP (usually uncountable, plural OPs)

  1. (abbreviation, initialism, usually) Abbreviation of opening credits.
    Antonyms:
    ED
  2. (abbreviation, initialism, usually) Abbreviation of opening theme.
    Antonyms:
    ED

Also used as

op is also the clipping of opponent.

op is also the clipping of operation.

op is also the clipping of operator.

op is also the clipping of opinion.

op is also the ellipsis of op art.

op is also the alternative letter-case form of OP.

op meaning in Hindi, Tamil, Marathi and Urdu

op in Hindi

ऑप, ओप

op in Tamil

ஓப்

op in Marathi

ऑप, ओप

op in Urdu

اوپی, او پی
More languagesFewer languages
op in Bengali
অপ
op in Telugu
ఆప్, ఒప్
op in Malayalam
ഓപ്, ഒപ്
op in Kannada
ಒಪ್
op in Punjabi
ਓਪ
op in Gujarati
ઓપ, ઑપ
op in Nepali
ओप, ऑप

Examples of op in a sentence

  • “We’re going to make people do the opłatek thing,” says Lasky.
  • The connection with opīnor ‘to suspect’ is difficult for semantic reasons; EM regard it with scepsis.
  • It didn′t have that op shop smell, even, and for once there were young people working there.

All 16 example sentences with op

Synonyms of op

Antonyms

Forms of op

Noun
pluralops
pluralOPs
Verb
third-person singular presentops
present participleopping
past participleopped
pastopped
Adjective
comparativemore op
superlativemost op

Origin of op

From op shop.

Abbreviation.

From Japanese OP (OP) (オープニング), from English opening.

Words formed from op

Phrases with op

Words that rhyme with op

44 more rhymesFewer rhymes

Questions about op

What does op mean?
Op means an amateur radio operator.
What is op in Hindi?
Op in Hindi is ऑप, ओप. See Op meaning in Hindi.
What part of speech is op?
Op can be a noun, a verb, a proper noun or an adjective.
How do you pronounce op?
Op is pronounced /ɒp/ (UK).
What is the plural of op?
The plural of op is ops.

Words near op in the dictionary

  1. oozlum birds
  2. oozoid
  3. oozooid
  4. oozooids
  5. oozy
  6. op
  7. op art
  8. op shop
  9. op shops
  10. op-amp
  11. op-amps

Source and license

Adapted from Wiktionary: op (page history and authors); OP (page history and authors); op (Hindi, IndicTrans2 machine translation) (model and license); op (Tamil, IndicTrans2 machine translation) (model and license); op (Marathi, IndicTrans2 machine translation) (model and license); op (Urdu, IndicTrans2 machine translation) (model and license); op (Bengali, IndicTrans2 machine translation) (model and license); op (Telugu, IndicTrans2 machine translation) (model and license); op (Malayalam, IndicTrans2 machine translation) (model and license); op (Kannada, IndicTrans2 machine translation) (model and license); op (Punjabi, IndicTrans2 machine translation) (model and license); op (Gujarati, IndicTrans2 machine translation) (model and license); op (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-op.wav.

Cite this entry: “op.” Word.ws, https://word.ws/op. Based on Wiktionary, CC BY-SA 4.0.