mellowness.

A pleasantly softened, mature, or gentle quality in flavor, sound, or temperament.

Use it for

Words that belong together

• mellowness of tone
• mellow richness

On the page

Age gave the instrument's tone a welcome mellowness.

Usage notes

Primary category: literary / elevated general. 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.