mutter Antonyms

talk loudly holler blare out speak up speak out sound out cry out yelp yell whistle vocable squeal squawk squawking shrill shriek shout raise one's voice rant and rave 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 be heard screech scream crow croup croaking conceal compliment clamor clack caw call bruit blare bellow bawl