deep-dish
deep-dish ▶adjective 1 (of a pie ) baked in a deep dish to allow for a large filling: deep-dish apple pie. • (of a pizza ) baked in a deep dish and having a thick dough base. 2 informal extreme or thoroughgoing: a deep-dish Catholic.
deep-dish ▶adjective chiefly N. Amer. 1 (of a pie ) baked in a deep dish to allow for a large filling: deep-dish apple pie. • (also deep-pan ) (of a pizza ) cooked in a deep dish and having a thick dough base. 2 informal extreme or thoroughgoing: deep-dish conservatism.