Origin: 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, adverb
su·per·flu·ous·ness, noun
un·su·per·flu·ous, adjective
un·su·per·flu·ous·ly, adverb
un·su·per·flu·ous·ness, noun
Synonyms
1. extra; redundant.