unsubstantiated

adjective/ˌʌnsəbˈstænʃiˌeɪtɪd/

Frequency rank: #14,687 most common English word

Meaning

Not supported or proven by evidence or facts.

Illustration for the English word “unsubstantiated”

Example sentence

The reporter refused to publish unsubstantiated claims without solid evidence.

Synonyms & related words

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