[ pos-ee ]
/ ˈpɒs i /


a body or force armed with legal authority.
Slang. a group of friends or associates: hanging out with your posse; a posse of drug dealers.

Origin of posse

1575–85; < Medieval Latin posse power, force, noun use of L infinitive: to be able, have power, equivalent to pot- (see potent1) + -se infinitive suffix

Definition for posse (2 of 2)

in posse
[ in pos-e; English in pos-ee ]
/ ɪn ˈpɒs ɛ; English ɪn ˈpɒs i /

adverb, adjective Latin.

in possibility; potentially (contrasted with in esse).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for posse

British Dictionary definitions for posse (1 of 2)

/ (ˈpɒsɪ) /


Also called: posse comitatus US the able-bodied men of a district assembled together and forming a group upon whom the sheriff may call for assistance in maintaining law and order
law possibility (esp in the phrase in posse)
slang a Jamaican street gang in the US
informal a group of friends or associates

Word Origin for posse

C16: from Medieval Latin (n): power, strength, from Latin (vb): to be able, have power

British Dictionary definitions for posse (2 of 2)

in posse
/ (ɪn ˈpɒsɪ) /


possible; potentialCompare in esse

Word Origin for in posse

Latin, literally: in possibility
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