Definition of "black sheep" in English

Noun

1. A nonconformist; an unusual or unconventional person, who may be rejected or disdained by others for this reason.

   • He was the black sheep in the family, as an artist among doctors and lawyers.

2. A person who is not wholesome, honest, or trustworthy.

3. A worker who refuses to strike; a scab.

4. Used other than figuratively or idiomatically: see black,‎ sheep.

   • Baa baa black sheep have you any wool? Yes sir, yes sir, Three bags full.