imposture
🇺🇸
/ɪmˈpɑːstʃər/
🇬🇧
/ɪmˈpɒstʃə(r)/
The act of pretending to be someone or something you're not, often to deceive others.
The detective uncovered the imposture when the fake doctor couldn't explain medical terms.
探偵は、偽の医者が医学用語を説明できなかったときに詐欺行為を暴き出した。