Synonyms & related words for unauthorized

Find synonyms, related words, and the definition of unauthorized — including unapproved, unlawful, illegal, unsanctioned, illicit, prohibited. Dendril is a free visual thesaurus that shows them on an interactive map where stronger matches sit closer to the center — no signup, no ads.

Words related to unauthorized

Explore words related to unauthorized — words associated with it, words that go with it, and its nearest matches in meaning. Related words include unaccredited, illicitly, authorized, illegally, unlawfully, unprohibited, trespassing, misuser. Click any word to make it the center of the map and keep exploring the web of connections.

Synonyms for unauthorized

Common synonyms for unauthorized include unapproved, unlawful, illegal, unsanctioned, illicit, prohibited, unlicensed, illegitimate — words that share a close meaning. Hover or tap any word on the map for its definition and part of speech.

Where does unauthorized come from?

The word unauthorized breaks down into 2 roots of Old English and Latin origin: un-, from Old English un (“not, reverse”); and -auth, from Latin auctor (“originator, author”). Explore each root to see other English words built from the same source.