resonant 1

the quality imparted to voiced speech sounds by the action of the resonating chambers of the throat and mouth and nasal cavities

having the character of a loud deep sound; the quality of being resonant

a vibration of large amplitude produced by a relatively small vibration near the same frequency of vibration as the natural frequency of the resonating system

emit a noise

ring or echo with sound

having a tendency to reverberate or be repeatedly reflected