Antonyms of noun feasibility

1 sense of feasibility

Sense 1
feasibility, feasibleness -- (the quality of being doable)
       Antonym of infeasibility (Sense 1)
      => infeasibility, unfeasibility -- (the quality of not being doable)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun feasibility

1 sense of feasibility

Sense 1
feasibility, feasibleness -- (the quality of being doable)
       => practicability, practicableness -- (the quality of being usable)