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• macho
  macho

  adjective

  having or characterized by qualities considered manly, especially when manifested in an assertive, self-conscious, or dominating way.
• MACHO
  MACHO

  Short for massive astrophysical compact halo object. Any of various massive dark objects, such as a brown dwarf star, black hole, or large planet, found in a galactic halo. MACHOs are thought to make up at least a part of the dark matter that apparently pervades much of the universe.

macho

American  

[mah-choh] / ˈmɑ tʃoʊ /

adjective

1. having or characterized by qualities considered manly, especially when manifested in an assertive, self-conscious, or dominating way.

2. having a strong or exaggerated sense of power or the right to dominate.

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noun

machos plural

1. Also machoism assertive or aggressive manliness; machismo.

2. an assertively virile, dominating, or domineering male.

macho British  

/ ˈmætʃəʊ /

adjective

1. denoting or exhibiting pride in characteristics believed to be typically masculine, such as physical strength, sexual appetite, etc

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noun

1. a man who displays such characteristics

MACHO Scientific  

/ mä′chō /

1. Short for massive astrophysical compact halo object. Any of various massive dark objects, such as a brown dwarf star, black hole, or large planet, found in a galactic halo. MACHOs are thought to make up at least a part of the dark matter that apparently pervades much of the universe.

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macho Cultural  

1. The often exaggerated, aggressive virility of a male: “Jim likes to wear a torn T-shirt and a black leather jacket when he rides his motorcycle. I guess he thinks it makes him look macho.” The original Spanish word means “male.”

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Other Word Forms

• antimacho
  adjective
• supermacho
  noun
• unmacho
  adjective

Etymology

Origin of macho

An Americanism first recorded in 1925–30; from Spanish: literally, “male,” from Latin masculus; see male, masculine

Explanation

A man who's aggressively masculine can be described as macho. A boxer might try to intimidate his opponent by walking into the ring with a macho swagger. To be macho is to display a tough, fierce, overly confident facade. A man who's macho would never cry or sip a cup of tea or pet a kitten, because none of these things would be seen as "manly" enough. In Spanish, macho means "male animal," from the Latin root masculus, also "male," but also "worthy of a man."

Example Sentences

Inherently compelling but also a shade predictable, the genre promises a tantalizing glimpse at a terrifyingly macho world — one that most of us are fortunate not to know firsthand.

From Los Angeles Times • Apr. 24, 2026

Immigration and Customs Enforcement’s recruiting has famously used aggressive, macho memes to attract the Francises of the world.

From Slate • Apr. 13, 2026

"It was a bit of a macho era," he said.

From BBC • Mar. 5, 2026

Mr. Van Horn’s handsome bass-baritone made for a sympathetic Giorgio; Mr. Ruciński’s gravelly baritone brought out Riccardo’s macho arrogance.

From The Wall Street Journal • Jan. 2, 2026

So that was supposed to excuse him, macho that he was!

From "In the Time of the Butterflies" by Julia Alvarez

Related Words

• aggressive
• cocky
• manly
• masculine