unverifiable

Definitions

Not able to be proven true or accurate.

Lacking evidence or data sufficient to confirm the validity of a claim.

Examples

The witness provided a claim that remained entirely unverifiable by the investigators.

Many of the ancient legends are considered unverifiable due to a lack of written records.

Synonyms

unprovable unsubstantiated unconfirmed indemonstrable unsupported conjectural speculative

Antonyms

verifiable provable demonstrable confirmed substantiated authenticated attestable