IPA: /rɪˈzaʊndɪŋli/
KK: /rɪˈzaʊndɪŋli/
In a way that is loud and clear, often used to emphasize something strongly or to indicate that something is done with great effect.
The team won the match resoundingly, leaving no doubt about their skill.
Resoundingly → It is formed from "re-" (meaning again) and "sonare" (meaning to sound). The word "resoundingly" means to sound again or to echo loudly.
Think of something that 'sounds again' — 're-' means again, and 'sonare' means to sound.