deathly quiet

closed fixed halcyon hushed pacific sealed smooth stable static stock-still whist

at rest buttoned-up clammed up close-mouthed dead deathlike deathly deathly still hushful inert lifeless noiseless peaceful placid restful serene silent soundless stagnant stationary tranquil undisturbed unruffled unstirring untroubled

broken changeable unfixed variable

agitated moving stirred unquiet