Home › Words › I › impreparationimpreparationimpreparation means lack of preparation.EtymologyFrom im- + preparation.nounLack of preparation.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.unpreparation 82% match — unpreparedness vs impreparation →underprepared 78% match — Not adequately prepared. vs impreparation →nonpreparedness 77% match — unpreparedness vs impreparation →unprepped 77% match — Not prepared or made ready. vs impreparation →underpreparedness 75% match — State or condition of being underprepared. vs impreparation →imprepared 74% match — Synonym of unprepared. vs impreparation →unpreparedly 73% match — In an unprepared manner. vs impreparation →unreadiness 67% match — A lack of readiness, or state of being unready vs impreparation →