Todays 'Word O' Day' Is 

Abscond 

Used in a sentence 

This time I created the sentence myself 

Nothing was holding me back. I had no choice but to abscond, far away from home. No turning back.

Last time's Word O' Day 

any of a class of crystalline metamorphic rocks whose constituent mineral grains have a more or less parallel or foliated arrangement

Source: Dictionary.com

A/N Guys this is what happens to really hard sandstone when in gets squished under the land after a few million years.