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main man

American  

noun

Informal.
  1. one's best and most trusted male friend.

  2. the most reliable, important, or respected man.

  3. one's main boyfriend.


main man British  

noun

  1. one's best friend

  2. a boss or leader

"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

Example Sentences

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The Juventus striker is Canada's main man and showed why with his well-taken hat-trick against Qatar.

From BBC Jun. 24, 2026

But maybe these images also tell us something about his insecurities: his desire to reassure everyone, including himself, that he was still the main man, as fit as he'd ever been.

From BBC May 30, 2026

Finally, West Bromwich Albion have given Ryan Mason, 34, a first shot at being the main man after a couple of spells as caretaker boss at Tottenham Hotspur.

From BBC Aug. 8, 2025

But, four matches later, he's once again Villa's main man with his boss calling his achievement "very fantastic".

From BBC May 10, 2025

My main man, my ace, the Jack who’s got my back, is Froggy Williams.

From "145th Street: Short Stories" by Walter Dean Myers

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