Quiet
Silent
Synonyms: Silent, hushed, soundless, dumb, voiceless, soft, lowered, muffled, indistinct, dull, stifled, still, noiseless, mute, speechless, unspeaking, low, muted, faint, inaudible, whispered, and suppressed.
Peaceful
Synonyms: Peaceful, tranquil, still, soothing, restful, free from disturbance, free from interference, unfrequented, secluded, retired, out of the way, solitary, sleepy, calm, relaxing, pleasant, undisturbed, free from interruption, untroubled, private, sequestered, isolated, and off the beaten track.
Private
Synonyms: Private, secret, unofficial, between ourselves, confidential, discreet, and off the record.
Calm
Synonyms: Calm, serene, cool, placid, peaceful, tranquil, mild, imperturbable, moderate, uncommunicative, taciturn, withdrawn, meek, retiring, unforthcoming, self-effacing, modest, restrained, unassertive, unflappable, equable, composed, and collected, untroubled, peaceable, gentle, phlegmatic, unexcitable, reserved, unresponsive, secretive, silent, mousy, reticent, shy, diffident, temperate, unassuming, and unemotional.
Unobtrusive
Synonyms: Unobtrusive, unpretentious, reserved, pale, muted, subdued, low-key, sober, ordinary, unostentatious, restrained, soft, pastel, understated, subtle, conservative, and plain.
Example Sentences
The library is very quiet.
She enjoys the quiet evenings.
Please keep your voice quiet.
I prefer quiet places to think.