Word.ws English Dictionary

opt in

opt in verb: to choose to participate in something.

Verb

opt in (third-person singular simple present opts in, present participle opting in, simple past and past participle opted in)

  1. To choose to participate in something

Antonyms of opt in

Forms of opt in

third-person singular presentopts in
present participleopting in
past participleopted in
pastopted in

Origin of opt in

From opt + in.

Questions about opt in

What does opt in mean?
Opt in means to choose to participate in something.
What part of speech is opt in?
Opt in is a verb.
What is the past tense of opt in?
The past tense of opt in is opted in.

Words near opt in in the dictionary

  1. OPSS
  2. opster
  3. Opsterland
  4. opsters
  5. opt
  6. opt in
  7. opt out
  8. opt-in
  9. opt-out
  10. opt-outs
  11. opt.

Source and license

Adapted from Wiktionary: opt in (page history and authors). 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.

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