Unchancy \Un*chan"cy\, a. [Pref un- + Scot. chancy fortunate, safe.] 1. Happening at a bad time; unseasonable; inconvenient. --A. Trollope. [1913 Webster] 2. Ill-fated; unlucky. [Prov. Eng. & Scot.] [1913 Webster] 3. Unsafe to meddle with; dangerous. [Scot.] [1913 Webster]