mumble Synonyms

mutter mussitate gum maunder stammer stutter susurration susurrus undertone talk low splutter sibilate sighing sigh slurred slurring slur snuffling sough utter whimper whine speak indistinctly say softly speak softly tell a secret whispers murmurs throated maundering susurrate schwa mambo mamba burble whisper whispering whispered ramble purr gruntingly grunt grunting grumble gibbering gibber gib garble gabble drone