Definition of deceitful:
shadowy, beguiling, untruthful, delusory, nugatory, inconstant, trivial, double-tongued, abortive, ambidextrous, specious, unprincipled, double-faced, unsubstantial, profitless, unsatisfying, trifling, unserviceable, ineffectual, double dealing, useless, misleading, idle, unavailing, unreal, mendacious, futile, dubious, duplicitous, lying, defrauding, vain, two-handed, fraudulent, Janus-faced, vapid, honest, delusive, unsound, baseless, worthless, bootless, fruitless, dishonorable, fallacious, unimportant, empty, visionary, null, two-faced, unprofitable, delusory, dishonest.
- dishonest (part of speech: adjective)
pretentious (part of speech: adjective)
- false (part of speech: adjective)
- "Ghost Beyond the Gate", Mildred A. Wirt.
- "Middy and Ensign", G. Manville Fenn.
If he was willing to grow deceitful, no one could help it; but if he had no honor, every one must defend himself against him, and he could command no respect from any one, nor have any of his own, which I thought more precious than that of others.- "Guide to the Kindergarten and Intermediate Class and Moral Culture of Infancy.", Elizabeth P. Peabody Mary Mann.