glutEnglishOxford American Thesaurusglut noun there is a glut of cars on the market: surplus, excess, surfeit, superfluity, overabundance, superabundance, oversupply, mountain; too many, too much, more than enough, plethora; informal more … than one can shake a stick at; rare nimiety. ▷antonyms dearth, scarcity.verb the factories for recycling paper are glutted: cram full, fill to excess, overfill, overload, oversupply, saturate, supersaturate, flood, inundate, deluge, swamp; choke, clog; informal stuff.