She used the remote to louden the volume of the TV.
noise
Frequency:
75
%
The construction next door began to louden the noise levels.
voice
Frequency:
70
%
As he got angrier, his voice began to louden.
music
Frequency:
60
%
The band decided to louden the music for the finale.
Idiomatic Expressions for louden
Phrase: loud and clear
Meaning: Loud and clear means that something is clearly understood or heard.
Usage: I told him my opinion loud and clear, so there should be no confusion about where I stand.