chau ‧ vin ‧ ist /ˈʃəʊvənəst, ˈʃəʊvɪnəst $ ˈʃoʊ-/ BrE AmE noun [countable]
1 . someone, especially a man, who believes that their own sex is better or more important than the other sex:
He’s a bit of a male chauvinist.
a male chauvinist pig (=an insulting name for a male chauvinist)
2 . someone who believes that their own country or race is better or more important than any other
—chauvinist adjective