THESAURUS
Sneak
arrant coward, blackguard, caitiff, clandestine, couch, covert, cower, craven, crawl, creep, cringe, crouch, cur, dastard, devil, fink, furtive, glide, go on tiptoe, grass, grovel, gumshoe, heel, hole-and-corner, hush-hush, inch, inch along, informer, knave, lay wait, lie in wait, louse, lurk, nark, nightwalk, pad, poltroon, precious rascal, prowl, pussyfoot, quail, rapscallion, rascal, recreant, reptile, rogue, run, scalawag, scamp, scoundrel, scrabble, scramble, shadow, shirk, shithead, shyster, sidle, skulk, skunk, slide, slink, slip, slither, sly, smuggle, snake, sneaker, snitch, snook, spalpeen, stalk, steal, steal along, stealthy, stoolie, surreptitious, tippytoe, tiptoe, toad, undercover, villain, weasel, worm, worm along
ROGET THESAURUS
Sneak
Cowardice
N
cowardice, pusillanimity, cowardliness, timidity, effeminacy, poltroonery, baseness, dastardness, dastardy, abject fear, funk, Dutch courage, fear, white feather, faint heart, cold feet, yellow streak, coward, poltroon, dastard, sneak, recreant, shy cock, dunghill cock, coistril, milksop, white liver, lily liver, nidget, one that cannot say 'boo' to a goose, slink, Bob Acres, Jerry
Sneak, alarmist, terrorist, pessimist, runagate, coward, cowardly, fearful, shy, timid, timorous, skittish, poor- spirited, spiritless, soft, effeminate, weak-minded, infirm of purpose, weak-hearted, fainthearted, chickenhearted, henhearted, lilyhearted, pigeon-hearted, white- livered, lily-livered, milk-livered, milksop, smock-faced, unable to say 'boo' to a goose, dastard, dastardly, base, craven, sneaking, dunghill, recreant, unwarlike, unsoldier-like, in face a lion but in heart a deer, unmanned, frightened, Int, sauve qui peut!, every man for himself!, devil take the hindmost!, ante tubam trepidat, one's courage oozing out, degeneres animos timor arguit.
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.
Improbity
VB
be dishonest, play false, break one's word, break one's faith, break one's promise, jilt, betray, forswear, shuffle, live by one's wits, sail near the wind, disgrace oneself, dishonor oneself, demean oneself, derogate, stoop, grovel, sneak, lose caste, sell oneself, go over to the enemy, seal one's infamy.
Knave
N
knave, rogue, Scapin, rascal, Lazarillo de Tormes, bad man, blackguard, barrater, barrator, shyster, traitor, betrayer, archtraitor, conspirator, Judas, Catiline, reptile, serpent, snake in the grass, wolf in sheep's clothing, sneak, Jerry
Sneak, squealer, tell-tale, mischief-maker, trimmer, fence-sitter, renegade, truant, recreant, sycophant.
Bad Man
N
bad man, wrongdoer, worker of iniquity, evildoer, sinner, the wicked, bad example, villain, rascal, scoundrel, miscreant, budmash, caitiff, wretch, reptile, viper, serpent, cockatrice, basilisk, urchin, tiger, monster, devil, devil incarnate, demon in human shape, Nana Sahib, hellhound, hellcat, rakehell, bad woman, jade, Jezebel, scamp, scapegrace, rip, runagate, ne'er-do-well, reprobate, scalawag, scallawag, rou_e, rake, Sadist, skeesicks, skeezix, limb, one who has sold himself to the devil, fallen angel, ame damnee, vaurien, mauvais sujet, loose fish, sad dog, rounder, lost sheep, black sheep, castaway, recreant, defaulter, prodigal, rough, rowdy, hooligan, tough, ugly customer, mean mother, ruffian, bully, meanie, Jonathan Wild, hangman, incendiary, arsonist, fire bug, thief, murderer, terrorist, culprit, delinquent, crook, hoodlum, hood, criminal, thug, malefactor, offender, perpetrator, perp, disorderly person, misdemeanant, outlaw, scofflaw, vandal, felon, (convicted criminal), criminal, convict, prisoner, inmate, jail bird, ticket of leave man, multiple offender, blackguard, polisson, loafer, sneak, rapscallion, rascallion, cullion, mean wretch, varlet, kern, ame-de-boue, drole, cur, dog, hound, whelp, mongrel, lown, loon, runnion, outcast, vagabond, rogue, ronian, scum of the earth, riffraff, Arcades ambo, Int, sirrah!, Acherontis pabulum, gibier de potence.
Concealment
VB
conceal, hide, secrete, put out of sight, lock up, seal up, bottle up, encrypt, encode, cipher, cover, screen, cloak, veil, shroud, cover up one's tracks, screen from sight, screen from observation, drawing the veil, draw the curtain, close the curtain, curtain, shade, eclipse, throw a view over, be cloud, be mask, mask, disguise, ensconce, muffle, smother, befog, whisper, keep from, keep back, keep to oneself, keep snug, keep close, keep secret, keep dark, bury, sink, suppress, keep from, keep from out of view, keep from out of sight, keep in the shade, throw into the shade, throw into background, stifle, hush up, smother, withhold, reserve, fence with a question, ignore, keep a secret, keep one's own counsel, hold one's tongue, make no sign, not let it go further, not breathe a word, not breathe a syllable about, not let the right hand know what the left is doing, hide one's light under a bushel, bury one's talent in a napkin, keep in the dark, leave in the dark, keep in the ignorance, blind, blind the eyes, blindfold, hoodwink, mystify, puzzle, bamboozle, be concealed, suffer an eclipse, retire from sight, couch, hide oneself, lie hid, lie in perdu, lie in close, lie in ambush (ambush), seclude oneself, lurk, sneak, skulk, slink, prowl, steal into, steal out of, steal by, steal along, play at bopeep, play at hide and seek, hide in holes and corners, still hunt.