The craftsmen hoped the kiln’s heat would flintify the clay.

The artisan spent hours flintifying the edge of the blade to give it a durable, glassy sheen.

Each night, the old smith flintifies discarded metal scraps until they spark like ancient tinder.

The captain eyed the mutineers flintily, his jaw set like chiseled stone.

The shoreline became flintier as we moved west, strewn with sharp nodules glinting in the sun.

Among all the stones she collected on the beach, the dark one was the flintiest.

The museum's display of flintlocks attracted history buffs from all over.

Her flintlike stare made everyone in the room uncomfortable.

The flintiness of the cliff made it almost impossible to carve, but its stark beauty remained undeniable.

Even after hearing her plea, the flinthearted landlord refused to lower the rent.