louden

Verb louden has 2 senses

• louden(v = verb.perception) - become louder; "The room loudened considerably"
is one way to change intensity
Antonym: quieten
Sample sentences:
Something ----s
Somebody ----s

• louden(v = verb.change) - cause to become loud;
is one way to alter, change, modify
Antonym: quieten
Sample sentences:
Somebody ----s somebody
Something ----s somebody
Something ----s something