bellow Antonyms

squawk close up quieten blither burble belt up button up keep quiet national anthem whirr drag out folk song brattle busyness yodeling susurration susurrus trill troll tweedle versify vibrate warble week wheeze whir whisper dry up susurrate speak quietly keep your lip buttoned decrease the volume of your voice hush your voice keep your voice down keep your voice low lower your voice make your voice lower make your voice quieter modulate your voice muffle your voice noise down keep one's lip buttoned say softly bite one's lip button it button one's lip crool keep one's lips sealed throated keep your face shut