unsubstantiated
adjective/ˌʌnsəbˈstænʃiˌeɪtɪd/
Frequency rank: #14,687 of 20,003 in the WORDED list (wordfreq data)
Meaning
Not supported or proven by evidence or facts.

Example sentence
The reporter refused to publish unsubstantiated claims without solid evidence.
Synonyms & related words
More words in ranks 14,601–14,700
- thrusterssmall rocket engines used to control the movement or direction of a spacecraft or vessel.
- titheto pay or give one tenth of one's income, especially to a church.
- unattainableimpossible to achieve or obtain; beyond one's reach.
- unexplorednot yet examined, investigated, or traveled through
- unsoldnot purchased or bought by anyone.
- uptightnervously tense, anxious, or overly strict about rules and behavior.
- virulentExtremely severe or harmful; strongly infectious or poisonous.
- waterfowlbirds that live on or near water, such as ducks, geese, and swans.
- womanhoodthe state or condition of being a woman; the qualities associated with being a woman.
- worrisomecausing worry or anxiety; disturbing.