Added 10 October 2026 superstructure noun Categories: ThingsRare Words In Latin: superstructura Wiktionary noun ! Definition from Wiktionary (CC BY-SA). More about superstructure at Wordnik → Where our words come from → Any structure built above the top full deck (FM 55-501). Any material structure or edifice built on something else; that which is raised on a foundation or basis. All that part of a building above the basement. Related Words: pierbodyworkdeckroofdeckingsheltercoveraproncoverageedificebuildingarchitecture Back to today's word