<p><strong>noun</strong></p><ul><li>the act or practice of deceiving;</li><li>concealment or distortion of the truth for the purpose of misleading;</li><li>duplicity;</li><li>fraud;</li><li>cheating:<ul><li>Once she exposed their deceit, no one ever trusted them again.</li></ul></li><li>Synonyms:<ul><li>dissimulation, deception</li></ul></li><li>an act or device intended to deceive;</li><li>trick;</li><li>stratagem.</li><li>the quality of being deceitful;</li><li>duplicity;</li><li>falseness:<ul><li>a man full of deceit.</li></ul></li><li>Antonyms:<ul><li>sincerity, honesty</li></ul></li></ul>