Home › Words › N › nonfitnonfitnonfit · adj — not fit; unfit.Definition from Wiktionary (CC BY-SA 3.0).EtymologyFrom non- + fit.adjNot fit; unfit.e.g.“The nonfit males in the study were less willing to exercise.”nounSomething that is not a fit.e.g.“Cultural adaptation is required to avoid this nonfit.” — 2008, W Douglas Evans, Gerard Hastings, Public Health Branding: Applying Marketing for Social Change:Definitions & examples from Wiktionary (CC BY-SA 3.0).