Precipice in a sentence?

I almost fell of the precipice.

For a brief moment, Amy imagined jumping off the precipice and flying like a bird.

When it has a subject, verb, punctuation, capitalization, a predicate, and a complete thought. A sentence is a sentence when it is handed down by a judge (or a magistrate).

I almost fell past the precipice I almost fell past the precipice During the Cuban missile crisis, the world hovered on the precipice of nuclear war. The guardrail was reinforced to prevent...

A sentence is a complete clause with a subject and a finite verb. A sentence fragment is not a complete clause, but is part of a clause (often lacking the verb to make a full sentence). For instance,...