plural posses
1
: a group of people who were gathered together by a sheriff in the past to help search for a criminal
The sheriff and his posse rode out to look for the bandits.
2
informal
: a group of people who are together for a particular purpose
—often + of
A posse of reporters greeted the coach.
3
informal
: a group of friends : gang
I went to the game with my posse.
The movie star and his posse [=(more formally) entourage] were seen at the new restaurant.
Cite this Entry
“Posse.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/posse. Accessed 23 Jun. 2026.
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