unsubstantiated — not supported or proven by evidence or facts
Part of speech: ADJECTIVE
Definition: not supported or proven by evidence or facts
Pronunciation (IPA): /ˌʌnsəbˈstænʃieɪtɪd/
Example Sentences
- The company denied the unsubstantiated allegations of fraud made against it.
- My friend claimed he saw a UFO, but it was completely unsubstantiated—he couldn't even show me a blurry photo!
- Despite months of investigation, the corruption charges remained unsubstantiated.
unsubstantiated
ADJECTIVE[/ˌʌnsəbˈstænʃieɪtɪd/]
not supported or proven by evidence or facts

The tabloid headline was completely unsubstantiated, with no real proof behind it.
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🎤Pronunciation
🌳Etymology
Origin
From Latin 'substantia' (substance, essence), forming 'substantiate' (to prove with evidence), with negative prefix 'un-' added.
Breakdown
un- (not) + substanti(ate) (to give substance/proof to) + -ed (adjective suffix)
🎵Rhyme
🔗Collocations
📝Examples
“The company denied the unsubstantiated allegations of fraud made against it.”
“My friend claimed he saw a UFO, but it was completely unsubstantiated—he couldn't even show me a blurry photo!”
“Despite months of investigation, the corruption charges remained unsubstantiated.”
“He spread an unsubstantiated rumor that the teacher was secretly a superhero at night.”
📚Related Words
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