Deceitful means dishonest or untruthful in behavior, actions or words. It describes someone who intentionally misleads others by telling lies or hiding important information to achieve their own goals at the expense of others.
Usage examples
The politician's deceitful tactics became evident when it was revealed that he had made numerous false promises during his campaign.
Mary was hurt by her friend's deceitful behavior, as she had been lied to multiple times about their plans.
The salesman's deceitful methods included using misleading information and manipulating customers to make a sale.
Sarah's deceitful actions at work, such as taking credit for her colleague's ideas, ultimately led to strained relationships with her team.
The cheating student used a deceitful strategy during the exam, secretly writing answers on small pieces of paper to avoid getting caught.
Living in denial, I have never seen a government as deceitful as this. (punchng.com)
The MEF engaged in deceitful practices in the process of the organization of the awards event by selecting companies for awards even when the companies had not submitted information meeting the designed criteria and also forged documents meant to deceive the Committee and Parliament as a whole; and (citifmonline.com)
It is toward the majority of ignorant consumers that «all» misrepresentative advertising (and much, if not most, advertising is misrepresentative, either by intentional design regarding unprovable claims or by deceitful omission of material facts) is aimed. (remonline.com)