1. A member of an Aegean people who settled ancient Philistia around the 12th century B.C.
2. a) a smug, ignorant and normally boureoise classified as being ingnorant or opposed to cultural values
b) one who lacks knowledge in a specific area
1. of a boorish or barbarous nature
You, sir, are a philistine, a member of the "great unwashed"
your philistine reputation is known to all