mumble Antonyms

talk out loud talk up rattle off raise one's voice holler blare out speak up speak out sound out cry out yelp yell whistle vocable squawk squawking shrill shriek be heard scream out take a tone speak out loud speak more loudly 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 shout screech croup croaking cough conceal codify clack caw call bruit blare bestow