Home › Words › L › lackwittednesslackwittednesslackwittedness · noun — the quality of being lackwitted.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom lackwitted + -ness.nounThe quality of being lackwitted.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.dullwittedness 81% match — The quality of being dull-witted. vs lackwittedness →lackwitted 76% match — foolish; stupid vs lackwittedness →nitwittedness 74% match — The quality of being nitwitted. vs lackwittedness →dimwittedness 73% match — The state or condition of being dimwitted. vs lackwittedness →lackadaisicalness 70% match — The state or quality of being lackadaisical. vs lackwittedness →uncleverness 68% match — The quality of not being clever. vs lackwittedness →dullardness 67% match — The quality of being a dullard. vs lackwittedness →unwit 65% match — Lack of wit or understanding; ignorance. vs lackwittedness →