| doubtful(adjective, meek, timid, unsure, unassuming) |
| hesitant(adjective, nervous, shy, worried, fearful) |
| inhibited(adjective, quiet, soft, still, faint) |
| lily-livered(adjective, upset, shy, worried, afraid) |
| modest(adjective, nervous, humble, shy, meek) |
| pearly(adjective, dull, lead, gray, leaden) |
| quiet(adjective, soft, modest, still, humble) |
| shrinking(nervous, shy, worried, meek, fearful) |
| silvery(adjective, dull, lead, grim, gray) |
| taupe(adjective, gray) |
| tremulous(shy, worried, afraid, apprehensive, scared) |
| unsure(adjective, meek, timid, unassuming, feel doubt) |
| worried(adjective, upset, shy, afraid, apprehensive) |
| yellow(adjective, upset, nervous, shy, worried) |
| dapple-gray(adjective, gray) |
| dreary(adjective, gray) |
| dumb(adjective, quiet, soft, still, speak) |
| flat |
| frightened(adjective, upset, weak, nervous, shy) |
| grizzled(adjective, gray) |