silent

adj.

[1]	quiet , soundless , still , still , soundless , noiseless , tranquil , hushed , shushed , mute , calm , serene , placid , peaceful , pacific , unagitated , unruffled , untroubled , undisturbed , (Literary) stilly
[2]	uncommunicative , mum , mute , close-mouthed , taciturn , reticent , reserved , mum , tight-lipped , secretive
[3]	unspeaking , tacit , understood , unspoken , mute , unexpressed , tacit , understood , implicit , implied , unstated , unsaid
[4]	inactive , unsounded , non-participating , passive , quiescent , (Brit) sleeping
[5]	unpronounced , unuttered , not sounded , (Technical) aphonic
[6]	dumb , mute