DictionaryposeurPretentious person
noun

poseur

poh-ZUR/pəʊˈzɜːr/

A person who pretends to possess greater culture, knowledge, or importance than is true.

The poseur pretends to understand the painting while secretly consulting a cue card.

An adult at an art gathering makes an exaggerated knowledgeable gesture while secretly glancing at a tiny blank cue card; companions look puzzled, unfamiliar abstract painting on easel.
Etymology

Poser here means adopting an affected attitude, and the ending names the person doing it. A poseur performs an impressive or sophisticated character rather than genuinely possessing it.

In context

Robert Sapolsky24:57
this guy Frank Abagnale Jr., who was a poseur, who was a conman, able to take on all sorts of roles, and he wound up gaining millions of dollars by writing false checks
Bad Boy Appeal; Human Speciation; “Shared” Genes | Robert Sapolsky Father-Offspring Interviews

More examples

  • The poseur drops famous names to make herself seem important.
  • The gallery attracts serious collectors as well as poseurs.
  • Enjoying expensive wine doesn't automatically make you a poseur.

Forms

poseur · poseurs

Similar words

poser
A less formal term for someone affecting sophistication or authenticity.
pretender
Broader term covering false claims to abilities, identities, or rights.