devious (adj.)
- aberrant
- ambagious
- anfractuous
- artful
- backhand
- backhanded
- bending
- calculating
- canny
- circuitous
- circular
- complex
- complicated
- confounded
- confused
- conscienceless
- convoluted
- corrupt
- corrupted
- crabbed
- crafty
- criminal
- crooked
- cunning
- curving
- daedal
- dark
- deceitful
- deceptive
- designing
- desultory
- deviant
- deviating
- digressive
- discursive
- dishonest
- dishonorable
- divergent
- diverting
- double-dealing
- doubtful
- dubious
- duplicitous
- elaborate
- entangled
- errant
- erratic
- erring
- evasive
- excursive
- felonious
- fishy
- foxy
- fraudulent
- furtive
- guileful
- helical
- ill-gotten
- immoral
- implicated
- indirect
- insidious
- insincere
- intricate
- involved
- knotted
- knowing
- labyrinthian
- labyrinthine
- left-handed
- lonesome
- matted
- mazy
- meandering
- misleading
- multifarious
- oblique
- orbital
- out-of-the-way
- pawky
- perplexed
- planetary
- questionable
- rambling
- remote
- removed
- retired
- rotary
- rotten
- round
- roundabout
- roving
- scheming
- secret
- secretive
- serpentine
- shady
- shameless
- shifting
- shifty
- shrewd
- side
- sidelong
- sinister
- sinistral
- sinuous
- slick
- slippery
- sly
- smooth
- snaky
- snarled
- sneaking
- sneaky
- spiral
- stray
- subtle
- surreptitious
- suspicious
- swerving
- tangled
- tortuous
- treacherous
- tricky
- turning
- twisted
- twisting
- unconscientious
- unconscionable
- underhand
- underhanded
- undirected
- unethical
- unprincipled
- unsavory
- unscrupulous
- vagrant
- vulpine
- wandering
- wily
- winding
- zigzag
