flea market noun 2flea-market verb 1forms 4 noun2 •An outdoor temporary market selling inexpensive antiques, curios, etc.Although things are sold cheaper at the flea market, it's always a good idea to check whether the item is stolen. •A permanent indoor market of stalls in a warehouse selling inexpensive antiques, outdated goods, curios, etc.The Towne Hall is a big inflatable building in the middle of the Snooze ’n’ Crusie. It is Derelict Las Vegas: convenience store, video arcade, laundromat, bar, liquor store, flea market, whorehouse. — 1992 flea-market verb1 •To sell (something or things) at a flea market. formsflea-marketed · flea-marketing · flea-markets · flea markets