Answer: silent

AnswerCrossword Clue
SILENTUnvoiced
SILENTIn the background, perhaps
SILENTLike a respectful librarygoer
SILENTLike some auctions
SILENTPartner type
SILENTType of auction
SILENTGruber's night
SILENTButtoned up
SILENTLike one "k" in "knuckle"
SILENTClosed up
SILENTNonspeaking
SILENTUnspoken
SILENTClamming up
SILENTSoundless
SILENTLike early '20s movies
SILENTNoiseless
SILENTNot speaking
SILENTMaking no sound
SILENTSaying nothing
SILENTNot talking
silentunspoken
SILENTLike some partners
SILENTHushed
SILENTLike Nixon's "majority"
SILENTLike most Theda Bara films
SILENTOld movie
SILENTNot apt to yap
SILENTMum
SILENTStill
SILENTLike Arbuckle's films
SILENTLike early films
SILENTKind of partner or treatment
SILENTLike the "h" in honor
SILENTLike many old movies
SILENTGolden?
SILENTLike films before "The Jazz Singer"
SILENTLike the "k" in "knee"
SILENTNot exactly garrulous
SILENTLike Marcel Marceau, on film
SILENTMute