SYNONYMS AND RELATED EXPRESSIONS
unsubstantiated
adjective
Not supported by adequate evidence.
Local English device voice, when available. This is not a recorded dictionary pronunciation.
Not adequately supported
Closest synonyms
Related words and expressions
These extend or explain the idea and may require a different sentence structure.
Usage distinction
Return to topUnsubstantiated means supporting evidence is inadequate or absent. It does not establish that a claim is false; alleged reports a claim without resolving its truth.
CHECK THE MEANING IN CONTEXT
See unsubstantiated in use
The editor removed an unsubstantiated claim from the introduction.
Leila offered a more plausible possibility, suggesting that the larger separation between titles might have helped readers distinguish entries. The claim was still unsubstantiated because several features had changed together.
Compare an alternative with the original word in each passage. Shared meanings do not make every pair interchangeable.
Synonym reference scope and sources
The groups distinguish the senses selected for this study entry. Closest synonyms and broader related expressions have separate labels. The listed sources support lexical selection; not every phrase is a direct quotation from a source.
How the synonym reference was prepared / WordNet 3.0 license