windfall, bonanza, jackpot, unexpected fortune, sudden riches, financial windfall, unexpected gain, sudden affluence, sudden prosperity, unexpected wealth
excess - surplus - redundancy - overabundance - overflow - profusion - glut - plethora - surfeit - extravagance - overplus - superabundance - oversupply - luxury - opulence - abundance - lavishness - bounty - copiousness - richness - amplitude - plenitude - saturation - spate - flood - inundation - deluge - torrent - avalanche - cornucopia - wealth - affluence - exuberance - fullness - overload - surplusage - extravaganza - overkill - overmuch - too much - more than enough - more than necessary - more than required - more than needed - more than wanted - more than desired
Superfluity refers to an amount or thing that is beyond what is needed or required. It is the state of being excessive or unnecessarily redundant. In various contexts, superfluity can imply wastefulness, as resources or efforts are expended without any meaningful purpose or benefit.