1. dishonest and ready to trick other people

Examples

• The deceitful salesman promised features the car didn’t have.
• She felt guilty about being deceitful with her parents.
• His deceitful behavior eventually cost him all his friends.
• The advertisement was criticized for being deceitful about the product’s benefits.
• It’s wrong to be deceitful in business dealings.
• The witness gave deceitful testimony to protect the defendant.