unverifiable.

Not capable of being checked against accessible evidence or a suitable method.

Use it for

Words that belong together

• unverifiable claim
• unverifiable account

On the page

The anecdote remained unverifiable because no records survived.

Usage notes

Primary category: analysis / argumentation / evidence. Forms: Normally non-gradable; no ordinary comparative or superlative. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Commonness: moderately common.