vibratoless
/vɪˈbrɑtoʊləs/
adjective
- Without vibrato; having a steady, unvarying pitch in singing or playing an instrument.
- The choir sang in a pure, vibratoless tone for the medieval hymn.
- He prefers a vibratoless style when playing early Baroque music.
- Her vibratoless voice gave the lullaby a simple, calming quality.