What is the meaning of muffled?

verb

• Conceal or hide.
  • usage: "smother a yawn"; "muffle one's anger"; "strangle a yawn"
  • synonyms: smother, stifle, strangle, muffle, repress
• Deaden (a sound or noise), especially by wrapping.
  • synonyms: muffle, mute, dull, damp, dampen, tone down

adjective

• Being or made softer or less loud or clear.
  • usage: "the dull boom of distant breaking waves"; "muffled drums"; "the muffled noises of the street"; "muted trumpets"
  • synonyms: dull, muted, softened
• Wrapped up especially for protection or secrecy.
  • usage: "children muffled almost to the eyebrows"