The Wordsmith Dictionary

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New American Oxford Dictionary

codebreaker

code break er |ˈkōdˌbrākər ˈkoʊdˌbreɪkər | ▶noun a person who solves a code or codes. DERIVATIVES code break ing noun

Oxford Dictionary

codebreaker

codebreaker ▶noun a person who solves a code or codes. DERIVATIVES codebreaking noun