mendacity.

Dishonesty expressed through lying or a readiness to tell lies.

Use it for

Words that belong together

• habitual mendacity
• political mendacity

On the page

Her account exposed the official's mendacity without explaining what he hoped to gain.

Usage notes

Primary category: analysis / argumentation / evidence. Forms: Usually uncountable; no ordinary plural in this sense. 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: evaluation, character. Commonness: uncommon.