mid-15c., fromdeceit+-ful. Related: Deceitfully; deceitfulness.
Yet, I warn you, appearances are deceitful; he is always drunker than he looks.
His animal nature was predominant, and this led him to be deceitful.
The world is a miserable, hollow, deceitful shell of vanity and hypocrisy.
This kind of political economy can only be qualified as false and deceitful.
But he had been deceitfuland to Martha Phipps, of all people.
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