devious

As adjectives the difference between devious and manipulative

is that devious is deviating; not straightforward or honest, not frank; not standard while manipulative is using manipulation purposefully.

As a noun manipulative is

a manipulable object designed to demonstrate a mathematical concept.

Devious is a related term of variable.

As an adjective devious

is deviating; not straightforward or honest, not frank; not standard.

As a noun variable is

variable.

As adjectives the difference between rapacious and devious

is that rapacious is voracious; avaricious while devious is deviating; not straightforward or honest, not frank; not standard.

As an adjective devious

is deviating; not straightforward or honest, not frank; not standard.

As a noun ploy is

a tactic, strategy, or gimmick.

As a verb ploy is

(military) to form a column from a line of troops on some designated subdivision.

As an adjective devious

is deviating; not straightforward or honest, not frank; not standard.

As a noun deceit is

an act or practice intended to deceive; a trick.

As adjectives the difference between sinister and devious

is that sinister is inauspicious, ominous, unlucky, illegitimate (as in bar sinister) while devious is deviating; not straightforward or honest, not frank; not standard.

As adjectives the difference between devious and sanctimonious

is that devious is deviating; not straightforward or honest, not frank; not standard while sanctimonious is making a show of being morally better than others, especially hypocritically pious.

As a noun deception

is disappointment.

As an adjective devious is

deviating; not straightforward or honest, not frank; not standard.

As adjectives the difference between devious and defiant

is that devious is deviating; not straightforward or honest, not frank; not standard while defiant is mistrustful.

As a verb defiant is

.

As adjectives the difference between erratic and devious

is that erratic is unsteady, random; prone to unexpected changes; not consistent while devious is deviating; not straightforward or honest, not frank; not standard.

As a noun erratic

is a rock moved from one location to another, usually by a glacier.