Unlike the alpha male, the sigma male is a loner who values independence, self-confidence, pragmatism, determination, ambition, adaptability and non-conformism.

Sigma is the eighteenth letter of the Greek alphabet. However in 2010, “the ‘sigma male’ term was coined by the far-right writer Theodore Robert Beale as a counterpoint to the alpha/beta ...

However in 2010, “the ‘sigma male’ term was coined by the far-right writer Theodore Robert Beale as a counterpoint to the alpha/beta male hierarchy”, according to Cosmopolitan.