If you are muffled, you are wearing a lot of heavy clothes so that very little of your body or face is visible. children muffled in scarves and woolly hats. muffled sounds cannot be heard clearly, for example because they come from behind a door or wall
being or made softer or less loud or clear; "the dull boom of distant breaking waves"; "muffled drums"; "the muffled noises of the street"; "muted trumpets"