crack

verb1 of 2

to almost break something

• “That hotel is not all it's cracked up to be.”Tatoeba
• “No one has been able to crack the code.”Tatoeba

Sentences from Tatoeba show real usage. A word can have several meanings, so a sentence may use another one.

noun2 of 2

A thin and usually jagged space opened in a previously solid material.