incontestably.

Without a reasonable basis for successful challenge on the relevant grounds.

Use it for

Words that belong together

• incontestably show
• incontestably correct

On the page

The calculation was incontestably correct under the stated assumptions.

The documents incontestably showed that the payment occurred, not why it occurred.

Usage notes

Primary category: analysis / argumentation / evidence. Forms: Invariable adverb; use more or most only where natural. 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. Writing functions: counterevidence assessment, argument critique, qualified assertion, formal disagreement. Disciplines: argumentation, research interpretation, social analysis. Commonness: uncommon.