Adjective
synthy (comparative more synthy, superlative most synthy)
(informal, music) Based upon, or resembling, the sound of a synthesizer.
It’s a super synthy, super textured, hazy kind of dance track that’s packed full of supernatural sounding instrumentals. Source: Internet
Paloma Pendharkar makes “quirky indie pop, piano ballads, and synthy pop tunes.” Source: Internet