con ‧ firmed /kənˈfɜːmd $ -ɜːr-/ BrE AmE adjective
[ Word Family: verb : ↑ confirm ; noun : ↑ confirmation ; adjective : ↑ confirmed ≠ ↑ unconfirmed ]
a confirmed bachelor/atheist/vegetarian etc someone who seems completely happy with the way of life they have chosen