Pronunciation: /foʊn friːkɪŋ/
noun a practice of hacking into the telephone system to make free calls or disrupt service
A1 Phone phreaking is a term used to describe hacking into telephone systems.
A2 Some people used to engage in phone phreaking to make free long-distance calls.
B1 Phone phreaking was more common before the widespread use of digital telecommunications.
B2 Individuals involved in phone phreaking often had extensive knowledge of telephone networks.
C1 Phone phreaking has evolved over the years to include more sophisticated methods of exploiting phone systems.
C2 Law enforcement agencies have cracked down on phone phreaking activities in recent years.
formal Phone phreaking is the act of manipulating telecommunications systems for unauthorized access.
informal I heard that phone phreaking used to be a popular hobby among tech enthusiasts.
slang Back in the day, phone phreaking was like the ultimate hack for free long distance calls.
figurative Phone phreaking can be seen as a metaphor for finding unconventional ways to navigate obstacles in life.
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