1. the act of deceiving someone; the practice of making someone believe something that is not true
2. something that deceives or is intended to deceive; a trick or lie

Examples

• The magician’s deception fooled the entire audience.
• She discovered his deception when she found the hidden documents.
• The company was accused of deception in its advertising practices.
• His friendly smile was just a deception to hide his true intentions.
• The detective saw through the suspect’s elaborate deception.
• Online scams rely on deception to steal personal information.
• The witness’s testimony was full of deception and contradictions.