Antonyms of noun suitability

1 sense of suitability

Sense 1
suitability, suitableness -- (the quality of having the properties that are right for a specific purpose; "an important requirement is suitability for long trips")
       Antonym of unsuitability (Sense 1)
      => unsuitability, unsuitableness, ineptness -- (the quality of having the wrong properties for a specific purpose)

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

1 sense of suitability

Sense 1
suitability, suitableness -- (the quality of having the properties that are right for a specific purpose; "an important requirement is suitability for long trips")
       => quality -- (an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare)