Definitions

1. adjective

Lacking frets; in particular, having no frets on a stringed instrument, so that the player must use the fingerboard to produce different pitches.

“The guitarist preferred playing a fretless bass due to its smoother sound.”

2. noun

A musician who plays a fretless instrument, especially a fretless bass guitar.

“The fretless player added a unique tone to the band’s music.”