noiseless.

Producing little or no sound that can be heard.

Use it for

Words that belong together

• noiseless movement
• noiseless approach

On the page

Her noiseless approach startled him.

Usage notes

Primary category: horror / gothic. Forms: Comparative more noiseless; superlative most noiseless 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. Commonness: moderately common.