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alpha male

American  
[al-fuh meyl] / ˈæl fə ˈmeɪl /

noun

  1. 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.

  2. the most dominant, powerful, or assertive man in a particular group.

    He thinks he's the alpha male of investment bankers.

  3. Slang: Sometimes Disparaging. a man who is perceived to be assertive, successful, and sexually dominant.


alpha male British  

noun

  1. 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

Etymology

Origin of alpha male

First recorded in 1935–40

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Around the same time, a new alpha male rose to dominance.

From The Wall Street Journal • Apr. 9, 2026

Mr. James’s tone—that of a reformed alpha male, an ex-con and traveler of a gritty road—lends his tale authenticity.

From The Wall Street Journal • Mar. 1, 2026

Perhaps more than anything, “Heartbreaker” is a primer on how to effectively work in a band with an alpha male.

From Los Angeles Times • Mar. 14, 2025

French journalist Laurens said: "His man management is getting better. With Paris and all the superstars and egos, he had to change a bit rather than being this alpha male he was in Germany."

From BBC • Oct. 16, 2024

Male chimps cannot gather in a constitutional assembly to abolish the office of alpha male and declare that from here on out all chimps are to be treated as equals.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari