Definitions

deceitful

[dih-seet-fuhl] / dɪˈsit fəl /

ADJECTIVE

dishonest, insincere

Synonyms

STRONGEST

artful deceptive disingenuous duplicitous false fraudulent hypocritical misleading underhanded untrustworthy untruthful

WEAK

astucious astute beguiling clandestine counterfeit crafty cunning deceiving delusive delusory designing double-dealing fallacious feline foxy furtive guileful illusory impostrous indirect insidious knavish lying mendacious rascal roguish shifty slick sly sneaky stealthy subtle treacherous tricky two-faced underhand wily

Antonyms

STRONGEST

actual authentic forthright frank genuine honest ingenuous just naive open real reliable sincere truthful upright valid

WEAK

faithful loyal trustworthy

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Martin, a respected doctor, is charming, as handsome as “an Italian movie star” and sociopathically deceitful.

From The Wall Street Journal • Mar. 26, 2026

And it’s gone along on the same trajectory with deceitful disclosures.

From Slate • Feb. 4, 2026

“May today’s sentencing deter anyone who seeks to greedily profit off their clients through deceitful practices,” Raia said in a statement.

From Los Angeles Times • Dec. 18, 2025

Lloyds said there was "nothing deceitful or untoward in the introduction" of PwC and that the consultants it worked with had a "proven track record of saving and developing businesses."

From BBC • Apr. 7, 2025

“Percy, you can’t barter with Hades. You know that, right? He’s deceitful, heartless, and greedy. I don’t care if his Kindly Ones weren’t as aggressive this time—” “This time?”

From "The Lightning Thief" by Rick Riordan

Vocabulary lists containing deceitful

Power Suffix: -ful

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