for ages (adjective) long: interminable, excessive in length
Sinonime: buttoned up, clammed up,
close, close-mouthed, could hear a pin drop,
dumb, hushed, hushful, inaudible,
low, low-pitched, muffled, mute, muted, noiseless, not saying boo,
peaceful,
quiescent, quieted,
reserved,
reticent,
secretive, silent,
soft, soundless, speechless, still, stilled,
taciturn, tight-lipped, uncommunicative, unexpressed, unspeaking, unuttered, whist
Antonime: boisterous, clamorous,
loud, noisy