1. in a way that relates to sound or hearing
2. in a way that relates to the properties of sound transmission in a space
Usage: technical

Examples

• The concert hall was acoustically perfect for classical music.
• The room was acoustically treated to reduce echo.
• The guitar sounds better acoustically than when amplified.
• The building was designed to be acoustically isolated from street noise.
• The singer performed acoustically without any electronic instruments.
• The theater was acoustically engineered for optimal sound quality.