(~s)
1.
A ~ is a man who behaves in a dishonest or criminal way.
Mr Ward wasn’t a ~ at all.
N-COUNT
2.
If a man behaves in a way that you do not approve of but you still like him, you can refer to him as a ~.
...Falstaff, the loveable ~.
N-COUNT: oft adj N feelings
3.
A ~ element is someone or something that behaves differently from others of its kind, often causing damage.
Computer systems throughout the country are being affected by a series of mysterious ~ programs, known as viruses...
ADJ: ADJ n