opt-in

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English[edit]

Wikipedia

Etymology[edit]

opt + in

Adjective[edit]

opt-in (not comparable)

  1. Of a selection, the property of having to choose explicitly to join or permit something; a decision having the default option being exclusion or avoidance; used particularly with regard to mailing lists and advertisement.
    They set up an opt-in mailing list, so that those who wanted the notices could subscribe.

See also[edit]

Anagrams[edit]