What superfluousness, indeed, could there be in intelligence, unless its conceptions resemble imperfect productions?
These Associations demonstrate the superfluousness of trade in a differently organized society.
Sister Maria Joseph, recognising with trembling her superfluousness, withdrew.
But she enjoyed the consciousness of knowing more than he did; she even forgave him his superfluousness.
unnecessary; uncalled-for; wasteful
Latin super- + fluere 'to flow'