Deceitful, treacherous, crafty.

Treacherous, deceitful, false; villainous. Obsolete.

actively. Having the quality or habit of deceiving; deceitful, deceptive. Obsolete (or archaic).

False, deceptive.

That blinds or misleads: false, deceitful. Obsolete.

Deceiving, deceitful, deceptive.

= fallacious, adj.

Of information, advice, etc.: provided with intent to deceive or mislead, esp. so as to create a prejudice against a particular person; given out…

Of a person: deceitful, given to deception. Of a thing: deceptive.

Full of deceit; given to deceiving or cheating; misleading, false, fallacious. (As said of things often = deceptive, adj.)

Of a thing: deceptive, misleading.

That deceives; deceitful, misleading, fallacious.

Deceitful, untrue.

Employed for the purpose of adulteration or deception. Obsolete.

Deceptive, deceiving. rare.

Apt or tending to deceive, having the character of deceiving.

Of abusing or deceiving character; deceptive. Obsolete.

Involving or characterized by self-deception. Also: engaging in self-deception; self-deceiving.

Of the nature of a ‘flam’.

Assumed or ascribed in order to deceive, fictitious, as false age,false name, etc.

colloquial. Unusual in a way which causes suspicion or unease; deceptive, dishonest, unethical; (also) inappropriate, improper. Cf. funny business, n.…

Deceitful; characterized by deception or insincere flattery.

Deceitful.