impossibility

1. Incapability of existing or occurring (synset 114506710)
   is a type of: nonentity, nonexistence - the state of not existing
   subtypes:

   • inconceivability, inconceivableness - the state of being impossible to conceive
   • unattainableness - the state of being unattainable
   same as: impossibleness
2. An alternative that is not available (synset 105800320)
   is a type of: alternative, choice, option - one of a number of things from which only one can be chosen
   subtypes: impossible - something that cannot be done
   same as: impossible action

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