an·frac·tu·os·i·ty \(ˌ)anˌfrakchəˈwäsəd.ē\noun (-es) Etymology: Middle French anfractuosité, from Late Latin anfractuosus + Middle French -ité-ity 1.: the quality or state of being anfractuous 2.: a winding channel, course, or passage; especially: an intricate path or process (as of the mind) < the history of mathematics … is one of quirks and anfractuosities — Norbert Wiener >