mutter Antonyms

talk loudly holler blare out speak up speak out sound out cry out yelp yell whistle vocable squawk squawking shrill shriek shout raise one's voice rant and rave be heard speak louder speak boldly raise voice raise the volume of your voice raise the voice make your voice louder make your voice loud increase the volume of your voice call at the top of one's voice boost the volume of your voice be loud augment your voice amplify your voice speak loudly scream out screech scream crow croup croaking conceal compliment clamor clack caw call bruit bellow bawl bark articulate