[1] : WordNet (r) 2.0

unsuitability
     n : the quality of having the wrong properties for a specific
         purpose syn: unsuitableness, ineptness ant: suitability,
          suitability
see also:
unsuitableness ineptness suitability 

[2] : Moby Thesaurus II by Grady Ward, 1.0

146 moby thesaurus words for "unsuitability":
   babbittry, aberrance, aberrancy, abnormality, ad lib, anomaly,
   bad taste, bourgeois taste, camp, campiness, criminality,
   delinquency, deviance, deviancy, disqualification, disrepair,
   dissatisfactoriness, extemporaneousness, falling short,
   functionlessness, futility, high camp, illegality, impoliticalness,
   impoliticness, improperness, impropriety, improvisation,
   inadequacy, inadequateness, inadmissibility, inadvisability,
   inapplicability, inappositeness, inappropriateness, inaptitude,
   inaptness, inauspiciousness, incapability, incompetence,
   incongruity, inconvenience, inconveniency, incorrectness,
   indecency, indecorousness, indecorum, indefensibility, indelicacy,
   inelegance, inelegancy, ineptitude, inexpedience, inexpediency,
   infelicity, infraction, inoperability, inoperativeness,
   inopportuneness, inopportunity, insufficiency, insufficientness,
   intempestivity, interruption, intolerability, intrusion, inutility,
   irrelevance, irrelevancy, kitsch, lack of preparation, lateness,
   low camp, maladjustment, mesalliance, misalliance, misjoinder,
   misjoining, mismatch, needlessness, none to spare, nonfulfillment,
   nonpreparation, nonpreparedness, nonsatisfaction, objectionability,
   otiosity, philistinism, planlessness, poor taste, pop, pop culture,
   prematurity, short supply, sinfulness, superfluousness,
   tastelessness, too late, too little, unacceptability,
   unaestheticism, unaestheticness, unbecomingness, uncongeniality,
   undesirability, unemployability, unfavorableness, unfitness,
   unfittedness, unfittingness, unfortunateness, unhelpfulness,
   unlawfulness, unmeetness, unnecessity, unpreparedness,
   unprofitability, unprofitableness, unpropitiousness,
   unqualification, unqualifiedness, unreadiness, unrighteousness,
   unripeness, unsatisfactoriness, unseasonableness, unseemliness,
   unserviceability, unsuitableness, unsuitedness, untenability,
   untimeliness, unusability, unwiseness, uselessness, violation,
   vulgar taste, vulgarism, vulgarity, vulgarness, vulnerability,
   wickedness, worthlessness, wrong, wrongfulness, wrongness

Unsuitability >> U Words
Unsuitability, definition of term: Unsuitability
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