Shifty

Adjective

 * 1) Having the appearance of someone dishonest, criminal or unreliable; such as someone with shifty eyes.
 * He was a shifty character in a seedy bar and I checked my wallet was still there after talking to him.
 * 1) Subject to frequent changes in direction.

Thesaurus
Machiavellian, Machiavellic, acute, adrift, afloat, alternating, ambidextrous, amoral, amorphous, arch, artful, astute, back-door, backstairs, bent, cagey, calculating, canny, capricious, changeable, changeful, chiseling, clandestine, clever, close, closemouthed, collusive, conniving, conscienceless, conspiratorial, corrupt, corrupted, covert, covinous, crafty, criminal, crooked, cunning, cute, dangerous, dark, deceitful, deceiving, deep, deep-laid, designing, desultory, deviable, devious, diplomatic, discreet, dishonest, dishonorable, dizzy, dodging, double, double-dealing, doubtful, dubious, duplicitous, eccentric, elusive, elusory, equivocating, erratic, evasive, false, falsehearted, fast and loose, feline, felonious, fickle, finagling, fishy, fitful, flickering, flighty, flitting, fluctuating, foxy, fraudulent, freakish, furtive, giddy, guileful, hazardous, hidlings, hole-and-corner, hugger-mugger, ill-got, ill-gotten, immoral, impetuous, impulsive, inconsistent, inconstant, indecisive, indirect, infirm, ingenious, insecure, insidious, insubstantial, inventive, irregular, irresolute, irresponsible, knavish, knowing, lying, malingering, mazy, mendacious, mercurial, moody, not kosher, pawky, perfidious, perilous, politic, precarious, privy, provisional, questionable, quiet, rambling, ready, resourceful, restless, risky, roguish, rotten, roving, scatterbrained, scheming, secret, secretive, serpentine, shady, shaky, shameless, shapeless, sharp, shifting, shirking, shrewd, shuffling, sinister, skulking, slick, slinking, slinky, slippery, sly, smooth, snaky, sneaking, sneaky, sophistical, spasmodic, spineless, stealthy, strategic, subtile, subtle, supple, surreptitious, suspicious, tactical, temporary, tentative, ticklish, traitorous, treacherous, trickish, tricksy, tricky, two-faced, unaccountable, uncertain, uncommunicative, unconscienced, unconscientious, unconscionable, uncontrolled, undependable, under-the-counter, under-the-table, undercover, underground, underhand, underhanded, undisciplined, unethical, unfaithworthy, unfixed, unobtrusive, unpredictable, unprincipled, unreliable, unrestrained, unsavory, unscrupulous, unsettled, unsolid, unsound, unstable, unstable as water, unstaid, unsteadfast, unsteady, unstraightforward, unsubstantial, unsure, untrustworthy, untruthful, vacillating, vagrant, variable, vicissitudinary, vicissitudinous, volatile, vulpine, wandering, wanton, wary, wavering, wavery, wavy, wayward, whimsical, wily, wishy-washy, without remorse, without shame

Translations

 * Finnish: epäluotettavan oloinen


 * Italian: subdolo, sfuggente


 * Italian: sfuggevole, sfuggente, giravolta, banderuola, voltagabbana