Resounding
/ɹɪˈzaʊn.dɪŋ/
noun
The action of the verb to resound
adjective
Having a deep, rich sound; mellow and resonant.
That causes reverberation.
(by extension) Emphatic.
“We had a resounding win against the rival team.”
Synonyms: canorous, remugient, huge, massive, tremendous