The quality of aiding an enemy.

ETYM Old Fren. deceit, desçait, decept (cf. deceite, deçoite), from Latin deceptus deception, from decipere. Related to Deceive.
1. An attempt or disposition to deceive or lead into error; any declaration, artifice, or practice, which misleads another, or causes him to believe what is false; a contrivance to entrap; deception; a wily device; fraud.
2. Any trick, collusion, contrivance, false representation, or underhand practice, used to defraud another. When injury is thereby effected, an action of deceit; SYN. Deception; fraud; imposition; duplicity. + prikaži više

ETYM French déception, Latin deceptio, from decipere, deceptum. Related to Deceive.
The act of deceiving; SYN. deceit, dissembling, dissimulation.
In warfare, the use of dummies, decoys, and electronics to trick the enemy into believing in and preparing to defend against armies that do not exist.
The Allied ground offensive in the 1991 Gulf War was launched 160 km/100 mi W of where the Iraqi army was led to believe it would take place. The deception techniques used completely wrong-footed the Iraqi forces. + prikaži više

A false statement; SYN. falsity, untruth, false statement.

ETYM Latin impostura: cf. French imposture. Related to Impone.
Pretending to be another person; SYN. impersonation.

ETYM Originally the same word as shame, hence, a disgrace, a trick. Related to Shame.
1. A counterfeit article.
2. A trick meant to delude or deceive; a hoax.

Underhanded or unscrupulous behavior; also; a devious device or trick

1. The use of tricks to deceive someone (usually to extract money from them); SYN. chicanery, guile, wile, shenanigan.
2. Verbal misrepresentation intended to take advantage of one in some way; SYN. hocus-pocus, slickness, hanky panky, jiggery-pokery, skulduggery, skullduggery.