break a/the code(redirected from break (a/the) code)
break a/the code
To determine or decipher a secret code. It is imperative that we break the enemy code and access their plans. She definitely broke the code on my phone—her picture is suddenly my new background!
break a code
to figure out a code; to decipher a secret code. The intelligence agents finally broke the enemy's code. When they broke the code, they were able to decipher messages.