mutter

to say something very quietly so that other people cannot hear it

to speak in a very low voice

to speak in a gentle and low voice

to speak in a low voice showing anger

to speak in a threatening or angry way

to speak in a way that shows deep anger and disappointment

to say something in a low voice that can be heard by others

to speak in a very angry and aggressive way

to speak in a way that is not clear or easy to understand

to speak with extreme anger

to speak in a way that shows you are easily annoyed

to speak while pressing your teeth together, often due to anger or pain

to speak in an annoyed or slightly angry way

to speak while grinding your teeth together, often due to anger or determination

to speak in a serious and unhappy way

to speak in a worried and anxious way

to speak in a silent and bad-tempered way

to speak using remarks that mean the opposite of what they say, to criticize someone

to speak in a tired way, as if you are about to fall asleep

to speak in a way that shows sadness

to speak in a way that is not precise or clear

to speak in a way that is clever and humorous, but without showing emotion

to complain or speak in an annoyed way that is easy to hear

to speak in a very unhappy way

to speak in a faint voice, without force or energy

to speak in a cruel, severe, and unkind way

to speak in an unfriendly and unpleasant way

to speak in an embarrassed way because you have done something silly or wrong

to speak in a low, rough, and unfriendly voice

to speak with a rough and deep-sounding voice, as if you have a sore throat

to form words with your mouth without making a sound

to notice someone speaking in a low, unclear voice

used when someone's quiet speaking is noticed by others

to complain quietly about something

to say something quietly to someone or to yourself