From Longman Dictionary of Contemporary Englishpublic enemy number onepublic enemy number oneinformal someone famous who has done something bad and who a lot of people do not like His views made him public enemy number one in the eyes of the media. → enemy
Examples from the Corpus
public enemy number one• Rats have been branded public enemy No. 1 in Bangladesh.• Taylor has turned into public enemy number one.• She had done nothing wrong, yet between them Rourke and Rebecca were making her feel like public enemy number one.public enemy number onepublic enemy number oneSCCthe criminal, problem etc that is considered the most serious threat to people’s safety Drugs have become public enemy number one. → publicExamples from the Corpus
public enemy number one• She had done nothing wrong, yet between them Rourke and Rebecca were making her feel like public enemy number one.• Taylor has turned into public enemy number one. 