1. people who pretend to be something they are not, especially to impress others
Usage: plural of poseur; often derogatory

Examples

• The art gallery was full of poseurs trying to sound knowledgeable about modern painting.
• She dismissed the fashion bloggers as mere poseurs who cared only about appearances.
• The coffee shop attracted both serious writers and poseurs who just wanted to look intellectual.
• Many teenagers go through a phase of being poseurs before finding their authentic selves.
• The music scene was dominated by poseurs who copied popular bands without any originality.
• He could spot the poseurs immediately by their affected mannerisms and pretentious vocabulary.