posh

Adjective

Positive posh

Comparative posher

Superlative poshest

1. Posh is something that is high class, elegant and fashionable.

   He spoke with a posh voice.

   It was the poshest restaurant in town.

Adverb

Positive posh

Comparative none

Superlative none

1. Posh is to act in an elegant or high class way.

   He liked to talk posh.