His goal was truly a miracle play.

His eyes are a deep blue.

He strongly believes in egalitarianism.

This lake is very deep.

His eyes were filled with deep sorrow.

He is a very talented artist.

Abstract nouns, unlike nouns that refer to concrete things, refer to concepts or states that do not have a specific shape or color.

His artwork is very abstract, making it difficult to understand.

I think his paintings are very artistic.

His work is highly valued for its artistic quality.