Synonyms of unofficial
- 1. unofficial (vs. official), drumhead, summary, informal, loose, unauthorized, unauthorised, wildcat, unsanctioned, unauthorized#1, unauthorised
- usage: not having official authority or sanction; "a sort of unofficial mayor"; "an unofficial estimate"; "he participated in an unofficial capacity"
- 2. unofficial, unconfirmed (vs. confirmed)
- usage: not officially established; "the early election returns are unofficial"
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