untruthfulness.

The tendency or practice of saying things that are not true.

Use it for

Words that belong together

• deliberate untruthfulness
• pattern of untruthfulness

On the page

A pattern of untruthfulness undermined confidence in the witness.

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. Commonness: moderately common.