| gagged |
| harmonious(adjective, quiet, cool, smooth, mild) |
| hid(verb, concealed) |
| hush(adjective, close, quiet, soft, restrained) |
| hush-hush(special, intimate, secret, private, personal) |
| hush as death(expression, idiom) |
| hushful(adjective, close, quiet, smooth, soft) |
| iced(verb, adjective, close, quiet, soft) |
| ill-defined(adjective, weak, pale, faded) |
| in chambers(expression, mysterious, private, reticent, taciturn) |
| in control |
| in hand |
| in order(expression, adjective, quiet, cool, smooth) |
| in privacy(expression, mysterious, private, reticent, taciturn) |
| in private(expression, mysterious, private, reticent, taciturn) |
| in the background(expression, idiom, mysterious, reticent, taciturn) |
| in the dark(expression, idiom, mysterious, reticent, taciturn) |
| inactive(adjective, quiet, cool, smooth, mild) |
| inarticulate(adjective, quiet, soft, still, silent) |
| incoherent(adjective, quiet, soft, still, silent) |