a male animal having the highest rank in a dominance hierarchy: Studies show that in spite of their high rank, access to females, etc., baboon alpha males experience a great deal of stress.
the most dominant, powerful, or assertive man in a particular group: the alpha male of investment bankers.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for alpha male
They gave a sedative to Methos, the alpha-male wolf, because he seemed particularly anxious.At New Jersey’s Turtle Back Zoo, Humans Slept Alongside the Pythons|Winston Ross|November 5, 2012|DAILY BEAST
Chris Lee talked to the alpha-male action hero about what made him put down his dukes for the role.Viggo Mortensen on Playing Freud in ‘A Dangerous Method’|Chris Lee|November 23, 2011|DAILY BEAST
British Dictionary definitions for alpha male
the dominant male animal or person in a group
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012