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 notesIn plain EnglishA claim that hasn't been proven true.
Common pairings
unsubstantiated claim
unsubstantiated rumour
unsubstantiated allegation
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Word forms
- Comparative
- more unsubstantiated
- Superlative
- most unsubstantiated
Fill the gap
Can you complete this real example?
The tabloid ran an _____ rumour about the celebrity.
Etymology
Formed from unsubstantiate and -ed.
Synonyms
View more →Antonyms
Related words
Rhymes for unsubstantiated
See all rhymes for unsubstantiated →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.