Supervacaneous
Pronunciation : Su`per*va*ca"ne*ous
Part of Speech : a.
Etymology : [L. supervacaneus, supervacuus; super over + vacuus empty.]
Definition : Defn: Serving no purpose; superfluous; needless. [Obs.] Howell.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder