voiceful

adjective2

1. •
   Having a loud voice or many voices.

   • A perpetual hum is heard, not less voiceful to the appreciative than the chants and clanging cymbals of the Parthenon. — 1850
2. •
   (literary, old-fashioned) Having a voice or vocal quality; vocal; sounding

   • Our ancient harp, whose voiceful string ⁠The Saxon rent in twain, — 1844