An amount or quantity beyond what is normal or sufficient; a surplus:
A going beyond what is right or reasonable, as in demands, prices, etc.; extravagance
A spending of more than is reasonable or necessary; excessive expenditure; wastefulness
(Archaic, 17-19th centuries) A thing that is extravagant.
A going or being beyond what is needed, desired, or appropriate; an excess:
Discomfort, disgust, nausea, etc. resulting from any kind of excess; satiety
Find another word for superfluousness. In this page you can discover 12 synonyms, antonyms, idiomatic expressions, and related words for superfluousness, like: embarrassment, excess, excessiveness, exorbitance, extravagance, extravagancy, extravagantness, overabundance, plethora, superabundance and superfluity.