gamma male noun2 •A male that is third in a social hierarchy, beneath alpha and beta, but above delta.The gamma male, Kalunde, displayed an opportunistic coalition tactic formerly called 'alliance fickleness,' in which the third party changes sides from moment to moment. — 1996 •An average male in the socio-sexual hierarchy, ranking below alphas and betas, and relatively unambitious.The danger comes when a Gamma Male is taken by surprise and shunted into a position of LEADERSHIP (e.g. if he is tall) and has to pretend to be an Alpha. — 2011 formsgamma males