muted

adjectives

in a softened tone

"hushed voices"; "muted trumpets"; "a subdued whisper"; "a quiet reprimand"

hushed, muted, quiet, subdued

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"

dull, muffled, muted, softened