implausible.

Unlikely to be credible given what is known.

Use it for

Words that belong together

• implausible explanation
• implausible claim

On the page

The timing makes that explanation implausible.

Usage notes

Primary category: analysis / argumentation / evidence. Forms: Comparative more implausible; superlative most implausible when comparison is meaningful. 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: evidence, inference, qualification. Commonness: moderately common.