Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun lavishness

2 senses of lavishness

Sense 1
lavishness, luxury, sumptuosity, sumptuousness -- (the quality possessed by something that is excessively expensive)
       => expensiveness -- (the quality of being high-priced)

Sense 2
extravagance, prodigality, lavishness, highlife, high life -- (excessive spending)
       => waste, wastefulness, dissipation -- (useless or profitless activity; using or expending or consuming thoughtlessly or carelessly; "if the effort brings no compensating gain it is a waste"; "mindless dissipation of natural resources")