Used disapprovingly to criticize someone's disinterest in culture. She was dismissed as a philistine for skipping the museum visit.
Pro Tip 2/3
Subjective Judgment
What is 'cultured' can vary, so calling someone a philistine can be subjective. You're a philistine if you don't like opera, some say, but it's a matter of taste.
Pro Tip 3/3
Colloquial Use
While offensive, it's informally used among friends as light teasing. Come on, don't be a philistine, try this exotic food with us!