Home › Words › U › unplumbunplumbunplumb means not plumb or vertical.Among words judged in Lexicurio's Arena, unplumb ranks #3,411 of 42,747 for Qualifying.EtymologyFrom un- + plumb.adjNot plumb or vertical.verbTo remove the lead from.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.delead 73% match — To remove the lead (metal) from. vs unplumb →unplume 67% match — To strip of plumes or feathers. vs unplumb →plumbous 66% match — Of, pertaining to, resembling, or containing lead. vs unplumb →plumbage 66% match — leadwork; plumbing vs unplumb →unlead 65% match — To take away the leaden seals from (the bales of transit goods). vs unplumb →plumbiferous 64% match — Producing or containing lead. vs unplumb →unstopple 63% match — To remove the stopple from. vs unplumb →plumbic 62% match — Of, pertaining to, resembling, or containing lead. vs unplumb →