Synonyms for Unfeasibility:

• n.

  •hopelessness (noun)
  • impossibility.
  •impossibility (noun)
  • futility,
  • failure,
  • impracticability,
  • unattainability,
  • unfeasibility,
  • Impracticabilities,
  • unlikelihoods,
  • unlikelihood,
  • difficulty,
  • unreasonableness,
  • impracticality,
  • contrariety,
  • unworkability.
  •infeasibility (noun)
  • infeasibility.

• Other synonyms:

  •Other relevant words (noun):
  • impracticableness,
  • hopelessness,
  • ridiculousness.

Antonyms for Unfeasibility:

• n.

  • impossibility
    probability, practicality, feasibility, possibility.
  • Other antonyms:
    feasibleness.