Synonyms for Un-suitability:

• n.

  •unsuitability (noun)
  • goof,
  • unseemliness,
  • vulgarism,
  • unfitness,
  • impudence,
  • slip,
  • blunder,
  • improperness,
  • inelegance,
  • indecency,
  • indecorum,
  • incongruity,
  • gaffe,
  • unsuitableness,
  • solecism,
  • faux pas,
  • inappropriateness,
  • unbecomingness,
  • vulgarity,
  • rudeness,
  • incorrectness,
  • immodesty,
  • barbarism,
  • gaucherie.

Antonyms for Un-suitability:

• n.

  • impropriety
    tastefulness, propriety, suitability, correctness.
  • unsuitability
    decency, correction.