Quaker-colored acier afraid ashen ashy bashful brown brownish canescent chicken chickenhearted cinereous cinerous colorless confused conscious coward cowardly cowed cowering coy dapple dapple-gray dappled dappled-gray daunted demure diffident dingy dismal dismayed dove-colored dove-gray drab dreary dull dun dusty echoless fainthearted fearful fearing fearsome flat funking funky glaucescent glaucous goosy gray gray-black gray-brown gray-colored gray-drab gray-green gray-spotted gray-toned gray-white grayed grayish grey griseous grizzle grizzled grizzly henhearted hush as death hushed in fear inarticulate inaudible intimidated iron-gray jumpy lead-gray leaden lily-livered livid milk-livered milksoppish milksoppy mouse-colored mouse-gray mouselike mousey nervous noiseless overtimid overtimorous panic-prone panicky pearl pearl-gray pearly pigeonhearted plain quiescent quiet rabbity ratty rodent rodential sad scary self-conscious self-effacing shaky shamefaced shamefast shivery shrinking shy silent silver silver-gray silvered silvery sissified sissy skittery skittish slate-colored slaty smoke-gray smoky sober soft somber soundless stammering startlish steel-gray steely still still as death stilly stone-colored subaudible taupe timid timorous trembling tremulous trepidant trigger-happy unarticulated unhearable unmanly unmanned unpronounced unsounded unuttered unvocalized unvoiced verminous weak weak-kneed weakhearted whist white-livered yellow