poser

The definition of a poser is a person who pretends to be someone they are not, or a person who attempts to impress others.

(noun)

An example of a poser is someone going to a wedding they weren't invited to in order to get free food and booze.

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See poser in Webster's New World College Dictionary

noun

a person who poses; esp., a poseur

noun

a baffling question or problem

See poser in American Heritage Dictionary 4

noun
  1. One who poses.
  2. A poseur.

noun
A baffling question or problem.

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