Find Synonyms

unofficial Synonyms

Another word for unofficial

Choosing another word for unofficial depends on context, so the 12 synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
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• adjective (Context 1)

Not officially authorized, confirmed, or sanctioned by a person or body in authority.

Usage Example

"Early unauthorized results from the election suggest that the incumbent mayor is leading by a narrow margin."

Strongest
unauthorized
unsanctioned
Strong
unconfirmed
unverified
unaccredited
informal
unlicensed

• adjective (Context 2)

Having a casual or informal character rather than a formal or ceremonial status.

Usage Example

"The retired professor still serves as an informal mentor to many graduate students in the department."

Strongest
informal
Strong
casual
off-the-record
unspoken
unwritten
de facto

Opposites of unofficial

The opposite of unofficial shifts depending on context. Common opposites include:

official
authorized
formal
sanctioned
approved
certified
appointed
accredited
See all opposites of unofficial

• Nearby Words

unoffended
unoffending
unoffensive
unofficial
unofficially
unoiled
unopenable

Cite this Entry

Wordmom. (2026). Synonyms for Unofficial. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/unofficial
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