Word.ws English Dictionary

double opt-in

double opt-in noun: the situation where a subscriber to a newsletter etc. first provides their e-mail address and then receives a confirmation request to that address, requiring them to take further action (such as clicking a hyperlink) to activate the subscription.

Noun

double opt-in (uncountable)

  1. (Internet) The situation where a subscriber to a newsletter etc. first provides their e-mail address and then receives a confirmation request to that address, requiring them to take further action (such as clicking a hyperlink) to activate the subscription.

Questions about double opt-in

What does double opt-in mean?
Double opt-in means the situation where a subscriber to a newsletter etc. first provides their e-mail address and then receives a confirmation request to that address, requiring them to take further action (such as clicking a hyperlink) to activate the subscription.
What part of speech is double opt-in?
Double opt-in is a noun.

Words near double opt-in in the dictionary

  1. double obeli
  2. double obelus
  3. double off
  4. double open jaw
  5. double open jaws
  6. double opt-in
  7. double or nothing
  8. double or quits
  9. double orphan
  10. double orphans
  11. double over

Source and license

Adapted from Wiktionary: double 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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