What is another word for hushed mouth?
Pronunciation: [hˈʌʃt mˈa͡ʊθ] (IPA) 
The phrase "hushed mouth" refers to someone speaking in a subdued or quiet manner. Synonyms for this phrase could include "muted voice," "muffled tone," "soft-spoken," "murmured words," "whispered voice," and "quiet speech." These words describe someone who is consciously trying to speak softly or use a less forceful tone than usual. Other possible synonyms include "restrained speech," "subdued voice," "gentle words," and "low murmur." Depending on the context, any of these phrases could be used to describe someone who is speaking in a hushed manner, either out of consideration for others or because they are trying to keep quiet.
