being more than is sufficient or required; excessive.
unnecessary or needless.
Obsolete. possessing or spending more than enough or necessary; extravagant.

Origin of superfluous

1400–50; late Middle English < Latin superfluus, equivalent to super- super- + flu- (stem of fluere to flow) + -us -ous
Related formssu·per·flu·ous·ly, adverbsu·per·flu·ous·ness, nounun·su·per·flu·ous, adjectiveun·su·per·flu·ous·ly, adverbun·su·per·flu·ous·ness, noun

Synonyms for superfluous Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for superfluously

Historical Examples of superfluously

  • "If you'll wait one moment," he said superfluously, as he closed the door.

    The Black Bag

    Louis Joseph Vance

  • "I want to think out some things," he added most superfluously.

    The Destroying Angel

    Louis Joseph Vance

  • The folly of that superfluously philanthropic old gentleman should teach us proportion of purpose.

    A Logic Of Facts

    George Jacob Holyoake

  • "That's a very insulting sort of man," remarked Captain Giles—superfluously, I thought.

    The Shadow-Line

    Joseph Conrad

  • The town is small and not superfluously clean, but, of course, the respectable houses are not a part of the town.

British Dictionary definitions for superfluously



exceeding what is sufficient or required
not necessary or relevant; uncalled-for
obsolete extravagant in expenditure or oversupplied with possessions
Derived Formssuperfluously, adverbsuperfluousness, noun

Word Origin for superfluous

C15: from Latin superfluus overflowing, from super- + fluere to flow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for superfluously



early 15c. (earlier superflue, late 14c.), from Latin superfluus "unnecessary," literally "overflowing," from superfluere "to overflow," from super "over" (see super-) + fluere "to flow" (see fluent).

Online Etymology Dictionary, © 2010 Douglas Harper