opt in
Fetched 2026-10-26 (cache).
Synonyms: optrin, out in, opt-in
Antonyms: optrin, out in, opt-in
Related words from Datamuse; suggestions, not definitions.
Verb
- To [[choose]] to [[participate]] in something
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.