It can be challenging to find synonyms for the word "un sparingnesses" as it is an unusual and complex term. However, some possible alternatives that convey a similar meaning include extravagance, exuberance, abundance, profusion, plenty, and opulence. These words all suggest an excessive or unrestricted level of something, such as spending, generosity, or richness. Other related expressions that might be used as synonyms for "un sparingnesses" include lavishness, prodigality, luxuriance, bounteousness, and prodigiousness. Generally, all of these terms suggest a degree of excessiveness or uncontrolled abundance, which might not always be desirable or appropriate in certain contexts.