THESAURUS
cower
apple-polish, bend, bend the knee, blench, bootlick, bow, bow and scrape, crawl, creep, cringe, crouch, dodder, fawn, flatter, flinch, get down, grovel, halt, hunch, hunch down, kneel, kowtow, lick the dust, lickspittle, limp, quail, quiver, recoil, scrouch down, shake, shrink, skulk, slink, sneak, squat, stoop, teeter, toadeat, toady, totter, tremble, truckle, wallow, welter, wince
ROGET THESAURUS
cower
Fear
VB
fear, stand in awe of, be afraid, have qualms, apprehend, sit upon thorns, eye askance, distrust, hesitate, falter, funk,
cower, crouch, skulk, let 'I dare not' wait upon 'I would' take fright, take alarm, start, wince, flinch, shy, shrink, fly, tremble, shake, shiver, shiver in one's shoes, shudder, flutter, shake like an aspen leaf, tremble like an aspen leaf, tremble all over, quake, quaver, quiver, quail, grow pale, turn pale, blench, stand aghast, not dare to say one's soul is one's own, inspire fear, excite fear, inspire awe, excite awe, raise apprehensions, be in a daze, bulldoze, faze, feeze, give an alarm, raise an alarm, sound an alarm, alarm, startle, scare, cry 'wolf', disquiet, dismay, fright, frighten, terrify, astound, fright from one's propriety, fright out of one's senses, fright out of one's wits, fright out of one's seven senses, awe, strike all of a heap, strike an awe into, strike terror, harrow up the soul, appall, unman, petrify, horrify, pile on the agony, make one's flesh creep, make one's hair stand on end, make one's blood run cold, make one's teeth chatter, take away one's breath, stop one's breath, make one tremble, haunt, prey on the mind, weigh on the mind, put in fear, put in bodily fear, terrorize, intimidate, cow, daunt, overawe, abash, deter, discourage, browbeat, bully, threaten.
Cowardice
VB
quail, be cowardly, be a coward, funk,
cower, skulk, sneak, flinch, shy, fight shy, slink, turn tail, run away, show, the white feather.
Servility
VB
cringe, bow, stoop, kneel, bend the knee, fall on one's knees, prostrate oneself, worship, sneak, crawl, crouch,
cower, sponge, truckle to, grovel, fawn, lick the feet of, kiss the hem of one's garment, kiss one's ass, suck up, pay court to, feed on, fatten on, dance attendance on, pin oneself upon, hang on the sleeve of, avaler les couleuvres, keep time to, fetch and carry, do the dirty work of, go with the stream, worship the rising sun, hold with the hare and run with the hounds.
Depression
VB
depress, lower, let down, take down, let down a peg, take down a peg, cast, let drop, let fall, sink, debase, bring low, abase, reduce, detrude, pitch, precipitate, overthrow, overturn, overset, upset, subvert, prostate, level, fell, cast down, take down, throw down, fling down, dash down, pull down, cut down, knock down, hew down, raze, raze to the ground, rase to the ground, trample in the dust, pull about one's ears, sit, sit down, couch, squat, crouch, stoop, bend, bow, courtesy, curtsy, bob, duck, dip, kneel, bend the knee, bow the knee, bend the head, bow the head,
cower, recline.