Definitions

1. noun

a false appearance or show of something, especially of virtue or good character; a pretence

“She accused him of having an imposture of kindness, but it seemed genuine at first.”

2. noun

a person who pretends to be what they are not, especially someone who deceives people by pretending to have a particular quality or skill

“The imposture of a doctor was exposed when he couldn’t even diagnose a simple illness.”

3. verb

to pretend to be something that you are not, especially to deceive people by pretending to have a particular quality or skill

“She was accused of imposturing to be a successful businesswoman, but it turned out to be a lie.”