Being beyond what is required or sufficient.
[Middle English, from Old French superflueux, from Latin superfluus, from superfluere, to overflow : super-, super- + fluere, to flow; see bhleu- in the Appendix of Indo-European roots.]
Synonyms: superfluous, excess, extra, supernumerary, surplus
These adjectives mean being more than is needed, desired, required, or appropriate: delete superfluous words; trying to lose excess weight; found some extra change on the dresser; supernumerary ornamentation; distributed surplus food to the needy.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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