| timorous(adjective, quiet, restrained, shy, reserved) |
| tongueless(voiceless, aphony) |
| undemonstrative(adjective, quiet, restrained, modest, unfriendly) |
| unemotional(adjective, indifferent, detached, distant, apathetic) |
| unheard(adjective, quiet, still, hushed, soundless) |
| unsocial(adjective, indifferent, detached, distant, apathetic) |
| unspeaking(adjective, close, quiet, soft, low) |
| unwritten(tacit, unspoken) |
| whist(adjective, calm, close, quiet, smooth) |
| acquiescent(adjective, calm, quiet, humble) |
| animated cartoon |
| answerless(adjective, calm, quiet, humble) |
| apathetic(adjective, indifferent, detached, distant, unfeeling) |
| at a standstill(expression, adjective, idiom, tranquil, motionless) |
| at rest(expression, adjective, idiom, calm, quiet) |
| backstairs(mysterious, private, reticent, taciturn, uncommunicative) |
| backward(quiet, modest, shy, aloof, peaceful) |
| becalmed |
| blase(indifferent, detached, distant, apathetic, unfeeling) |
| blushing(quiet, modest, shy, meek, timid) |