plethora

1 an amount or supply more than sufficient to meet one's needs a biology textbook that is helpfully illustrated with a plethora of excellent illustrations Synonyms abundance, cornucopia, feast, plenitude, plentitude, plenty, superabundance, wealthRelated Words adequacy, competence, competency, sufficiency; ampleness, amplitude, liberality; excess, overdose, overflow, overkill, oversupply, redundancy, superfluity, superfluousness, surfeit, surplus; copiousness, fecundity, fertility, fruitfulness, opulence, richness; lavishness, luxurianceNear Antonyms paucity, poverty, scarcity; barrenness, infertility, sterilityAntonyms deficiency, inadequacy, insufficiency, undersupply

2 the state or an instance of going beyond what is usual, proper, or needed the author offers a plethora of detail that tends to overwhelm the reader Synonyms bellyful, fat, overabundance, overage, overflow, overkill, overmuch, overplus, oversupply, excess, plus, redundancy, superabundance, superfluity, surfeit, surplus, surplusageRelated Words abundance, bounty, plentitude, plenty, profusion, sufficiency; overproduction, overstockNear Antonyms dearth, lack, scarcity, wantAntonyms deficiency, deficit, insufficiency, undersupply