unsupported by evidence

Definitions

Lacking factual proof or empirical data to substantiate a claim or assertion.

Not backed by verifiable information or objective documentation.

Devoid of corroborating facts or logical justification.

Examples

The politician's bold claim about the economy remained entirely unsupported by evidence.

Scientific theories must be discarded if they are found to be unsupported by evidence gathered during experimentation.

Synonyms

baseless unsubstantiated groundless unverified conjectural speculative without proof

Antonyms

proven substantiated evidence-based verified well-founded documented fact-based