Term: twilight zone: the ambiguous region between two categories or states or conditions (usually containing some features of both)
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: archpriest: a senior clergyman and dignitary
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: ectopistes: a genus of Columbidae
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: acceleration: (physics) a rate of increase of velocity
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: automobile industry: the manufacturers of automobiles considered collectively
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: powder keg: keg (usually made of metal) for gunpowder or blasting powder
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: siderocyte: an abnormal red blood cell containing granules of iron not bound in hemoglobin
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: frigate: a medium size square-rigged warship of the 18th and 19th centuries
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: life estate: (law) an estate whose duration is limited to the life of the person holding it
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: struthiomimus: small light-boned toothless dinosaur resembling an ostrich in size and proportions
Broader: ambiguity: unclearness by virtue of having more than one meaning | Unrelated: beloved: a beloved person; used as terms of endearment