What is another word for under breath?
Pronunciation: [ˌʌndə bɹˈɛθ] (IPA) 
The phrase "under breath" refers to speaking quietly or muffling one's voice intentionally. Some synonyms for this phrase include muttering, murmuring, whispering, speaking sotto voce, or speaking in a hushed tone. Other related terms include speaking under one's breath, grumbling, or complaining softly. The use of this phrase often conveys a sense of secrecy or impatience, and can suggest a lack of confidence or assertiveness in the speaker. It can also indicate frustration or irritation. This phrase is commonly used in situations where one needs to express their opinions or feelings discreetly, or when trying to avoid attracting attention.
