The Collaborative International Dictionary
Supersubstantial
Supersubstantial \Su`per*sub*stan"tial\, a. [Pref. super- +
substantial: cf. F. supersubstantiel.]
More than substantial; spiritual. ``The heavenly
supersubstantial bread.''
--Jer. Taylor.
Wiktionary
supersubstantial
a. more than substantial, transcending all substance; spiritual