resounding or echoing, as sounds

the resonant thundering of cannons being fired.

deep and full of resonance

a resonant voice.

pertaining to resonance.

producing resonance; causing amplification or sustention of sound.

pertaining to a system in a state of resonance, esp. with respect to sound.

Phonetics . a vowel or a voiced consonant or semivowel that is neither a stop nor an affricate, as, in English, (m, ng, n, l, r, y, w).

adjective

faint , quiet

adjective

beating , booming , clangorous , consonant , deep , deep-toned , earsplitting , echoing , electrifying , enhanced , full , heightened , intensified , loud , mellow , noisy , orotund , plangent , powerful , profound , pulsating , pulsing , resounding , reverberant , reverberating , rich , ringing , roaring , round , sonorant , sonorous , stentorian , strident , thrilling , throbbing , thundering , thunderous , rotund , vibrant , bellowing , reboant , tympanic