Home › Words › S › substructsubstructsubstruct means to build beneath something; to lay as the foundation.Among words judged in Lexicurio's Arena, substruct ranks #2,614 of 42,762 for Qualifying.EtymologySee substruction.verbTo build beneath something; to lay as the foundation.e.g.“He substructs the religion of Asia as the base.” — 1850, Ralph Waldo Emerson, s:Representative Men/Plato; or, the Philosopher:Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.substract 67% match — To subtract. vs substruct →superstruct 66% match — To build over or upon (another structure); to erect upon (a foundation). vs substruct →subjacent 64% match — Lying beneath or at a lower level; underlying. vs substruct →substrated 63% match — Having substrata. vs substruct →subduct 62% match — To push under or below. vs substruct →substratum 62% match — A layer that lies underneath another. vs substruct →superstructive 60% match — Built or erected upon something else. vs substruct →subnect 60% match — To (literally) tie or fasten beneath, or to (figuratively) join beneath, i.e. as an addendum. vs substruct →