1. the quality or state of being noisy; loudness or the tendency to make noise

Examples

• The noisiness of the construction site made it hard to concentrate.
• Parents complained about the noisiness of children in the library.
• The restaurant’s noisiness created a lively but chaotic atmosphere.
• She moved to the suburbs to escape the noisiness of city life.
• The teacher asked the students to reduce their noisiness during study time.
• The noisiness of the old air conditioner kept everyone awake.