1. The plural of noiselessness; the quality or state of being silent or making no sound.
Usage: Plural form of the abstract noun noiselessness.; Rarely used in plural; typically noiselessness is uncountable.

Examples

• The noiselessnesses of the library and the museum created peaceful environments for study and reflection.
• She appreciated the noiselessnesses of the early morning before traffic began.
• The different noiselessnesses in various rooms of the house affected how people felt in each space.