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adj

unsubstantiated

Unsubstantiated (adj) means not backed up by evidence or proof. Example: “The tabloid ran an unsubstantiated rumour about the celebrity.”

adj
1
Not backed up by evidence or proof.
"The tabloid ran an unsubstantiated rumour about the celebrity."
"Police dismissed the claim as unsubstantiated."

How to use unsubstantiated

Learner’s notes

In plain EnglishA claim that hasn't been proven true.

Common pairings
unsubstantiated claim unsubstantiated rumour unsubstantiated allegation

Word forms

more unsubstantiated comparative, most unsubstantiated superlative

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The tabloid ran an _____ rumour about the celebrity.

Etymology

From unsubstantiate + -ed.

Rhymes for unsubstantiated

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Frequently asked questions

What does “unsubstantiated” mean?

The word “unsubstantiated” means not backed up by evidence or proof. In plain terms, a claim that hasn't been proven true.

How do you use “unsubstantiated” in a sentence?

Here is “unsubstantiated” used in a sentence: “The tabloid ran an unsubstantiated rumour about the celebrity.”

What part of speech is “unsubstantiated”?

“Unsubstantiated” is an adjective.

What is the meaning of unsubstantiated?

"unsubstantiated" (adj) means not backed up by evidence or proof.

Definitions: FreeDict original editorial · etymology from Wiktionary