IPA: /ˈlaʊdən/
KK: /ˈlaʊdən/
To make something produce a higher volume of sound.
The teacher asked the students to louden their voices during the presentation.
Past: loudened
Past Participle: loudened
Louden → It is formed from "loud" (from Old English *hlūd*, meaning having a strong sound) and "-en" (a suffix used to form verbs indicating to make or become). The word "louden" means to make something louder or to increase the volume of sound.
Think of making something 'strong in sound' ('loud') and adding '-en' to mean to make it so. This helps you remember that 'louden' means to increase the volume.