THESAURUS
Devious
Byzantine, O-shaped, aberrant, aberrative, ambagious, amoral, anfractuous, artful, backhand, backhanded, balled up, bending, calculating, canny, circuitous, circular, complex, complicated, confounded, confused, conscienceless, convoluted, corrupt, corrupted, crabbed, crafty, criminal, crooked, cunning, curving, daedal, dark, deceitful, deceptive, deflectional, departing, designing, desultory, deviant, deviating, deviative, deviatory, digressive, discursive, dishonest, dishonorable, divagational, divergent, diverting, double-dealing, doubtful, dubious, duplicitous, elaborate, embrangled, entangled, errant, erratic, erring, evasive, excursive, felonious, fishy, fouled up, foxy, fraudulent, furtive, guileful, helical, ill-got, ill-gotten, immoral, implicated, indirect, insidious, insincere, intricate, involuted, involved, knotted, knowing, labyrinthian, labyrinthine, left-handed, lonesome, loused up, many-faceted, matted, mazy, meandering, messed up, misleading, mixed up, mucked up, multifarious, not kosher, oblique, orbital, out-of-the-way, pawky, perplexed, planetary, plotting, questionable, rambling, ramified, remote, removed, retired, rotary, rotten, round, roundabout, roving, scheming, screwed up, secret, secretive, serpentine, shady, shameless, shifting, shifty, shrewd, side, sidelong, sinister, sinistral, sinuous, slick, slippery, sly, smooth, snaky, snarled, sneaking, sneaky, spiral, stray, subtile, subtle, surreptitious, suspicious, swerving, tangled, tangly, tortuous, treacherous, tricky, turning, twisted, twisting, unconscienced, unconscientious, unconscionable, underhand, underhanded, undirected, unethical, unprincipled, unsavory, unscrupulous, unstraightforward, vagrant, veering, vulpine, wandering, wily, winding, without remorse, without shame, zigzag
ROGET THESAURUS
Devious
Curvature
N
curvature, curvity, curvation, incurvature, incurvity, incurvation, bend, flexure, flexion, flection, conflexure, crook, hook, bought, bending, deflection, deflexion, inflection, inflexion, concameration, arcuation, devexity, turn, deviation, detour, sweep, curl, curling, bough, recurvity, recurvation, sinuosity, kink, carve, arc, arch, arcade, vault, bow, crescent, half-moon, lunule, horseshoe, loop, crane neck, parabola, hyperbola, helix, spiral, catenary, festoon, conchoid, cardioid, caustic, tracery, arched ceiling, arched roof, bay window, bow window, sine curve, spline, spline curve, spline function, obliquity, curved, curviform, curvilineal, curvilinear, devex, devious, recurved, recurvous, crump, bowed, vaulted, hooked, falciform, falcated, semicircular, crescentic, sinusoid, parabolic, paraboloid, luniform, lunular, semilunar, conchoidal, helical, double helical, spiral, kinky, cordiform, cordated, cardioid, heart shaped, bell shaped, boat shaped, crescent shaped, lens shaped, moon shaped, oar shaped, shield shaped, sickle shaped, tongue shaped, pear shaped, fig shaped, kidney-shaped, reniform, lentiform, lenticular, bow-legged, oblique, circular, aduncated, arclike, arcuate, arched, beaked, bicorn, bicornuous, bicornute, clypeate, clypeiform, cymbiform, embowed, galeiform, hamate, hamiform, hamous, hooked, linguiform, lingulate, lobiform, lunate, navicular, peltate, remiform, rhamphoid, rostrate, rostriferous, rostroid, scutate, scaphoid, uncate, unguiculate, unguiform.
Deviation
N
deviation, swerving, obliquation, warp, refraction, flection, flexion, sweep, deflection, deflexure, declination, diversion, digression, depart from, aberration, divergence, zigzag, detour, divagation, wandering, vagrancy, evagation, bypaths and crooked ways, byroad, sidling, knight's move at chess, deviating, aberrant, errant, excursive, discursive, devious, desultory, loose, rambling, stray, erratic, vagrant, undirected, circuitous, indirect, zigzag, crab-like, astray from, round about, wide of the mark, to the right about, all manner of ways, circuitously, obliquely, sideling, like the move of the knight on a chessboard.