The arch-heretics were known for their radical beliefs.

Superman and Lex Luthor are arch enemies.

She adjusted the Arab straps on her backpack before heading out.

The city was plagued by a gang of arch rogues.

The arch-pirates sailed the seven seas in search of treasure.

There are many arch-sexists in the world.

The police managed to capture the group of arch-criminals.

The telescope can measure angles in minutes of arc.

The geostatic arch is a type of arch that relies on the weight of the materials above it to support the structure.

Arbitrage pricing models are widely used in finance to determine the fair value of assets.