Of all the pastries on the table, the scone was the crumbliest, leaving a soft trail of crumbs with every bite.

This pastry is crumblier than the one we had yesterday, so be careful when you pick it up.

Don't be such a crumbum at the meeting and listen when others are speaking.

After freezing the pastry, she sprinkled crumblets over the tart to add texture.

The old stone wall, crumblesome after centuries of neglect, shed small lumps at every touch.

The crumbliness of the ancient sandstone made it difficult to carve detailed shapes.