Simple Definition of mumble
: to say (something) quietly in an unclear way that makes it difficult for people to know what you said
Full Definition of mumble
mum·bledmum·bling play \-b(ə-)liŋ\
: to utter words in a low confused indistinct manner : mutter
1 : to utter with a low inarticulate voice
2 : to chew or bite with or as if with toothless gums
Examples of mumble
He mumbled something and then left.
He mumbled “Goodbye” and then left.
I can't understand you when you mumble.
Origin of mumble
Middle English momelen, of imitative origin
First Known Use: 14th century
Seen and Heard
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