| fearful(quiet, modest, meek, unassuming, retiring) |
| flat |
| formal(quiet, smooth, gentle, polite, aloof) |
| frigid(quiet, gentle, aloof, reserved, reticent) |
| fruity |
| gallant(polite, considerate, well-mannered) |
| genteel(polite, considerate, well-mannered) |
| gracious(smooth, polite, considerate, polished, well-mannered) |
| grating |
| hesitant(quiet, modest, meek, unassuming, retiring) |
| hushful(adjective, quiet) |
| icy(quiet, gentle, aloof, reserved, reticent) |
| low-keyed(adjective, quiet) |
| low-pitched(adjective, quiet) |
| lowly(quiet, modest, meek, unassuming, retiring) |
| manageable(quiet, modest, meek, unassuming, retiring) |
| mannerly(smooth, polite, considerate, polished, well-mannered) |
| meek(quiet, modest, unassuming, retiring) |
| misanthropic(quiet, gentle, aloof, peaceful, reserved) |
| noncommittal(quiet, gentle, aloof, peaceful, reserved) |