1. in a manner relating to or using monophonic sound; with a single audio channel rather than stereo or surround sound
Usage: technical; audio/music production
2. in a manner consisting of a single melodic line without harmonic accompaniment or counterpoint
Usage: music

Examples

• The old radio broadcast the program monophonically, lacking the depth of modern stereo systems.
• Early recordings were often produced monophonically before stereo technology became standard.
• The composer wrote the piece monophonically, featuring only a single melodic voice.
• This vintage amplifier can only output sound monophonically.
• The Gregorian chant was performed monophonically, with all voices singing the same melody.