open bar

noun

1. a bar at a reception that serves drinks whose cost has been borne by the host, an admission charge, a sponsor, etc.:

   Before the banquet there will be an open bar from 5 to 7 p.m.

Word History and Origins

Origin of open bar¹

First recorded in 1970–75

Example Sentences

Lavish dinner al fresco with open bar, followed by an hourlong show with hula, drumming and chanting.

From Los Angeles Times

An American flag hung on the side of a barn and a country song about a working man played at Warren’s Backyard, a music venue, where on a searing summer evening, the Hood County Republicans met for an open bar and a silent auction to kick off the campaign season.

From Los Angeles Times

LIVE, a group tour of Los Angeles and a pregame tailgate, complete with open bar, at Brookside Golf Club.

From Los Angeles Times

“An open bar was one of the aspects of our wedding we felt was worth it. We also wanted to make sure no one left hungry.”

From Los Angeles Times

“The venue and open bar. Having an open bar was a non-negotiable for us.”

From Los Angeles Times