fatuity

fatuity
    n 1: a ludicrous folly; "the crowd laughed at the absurdity of
         the clown's behavior" [syn: {absurdity}, {fatuity},
         {fatuousness}, {silliness}]
    

Fatuity \Fa*tu"i*ty\, n. [L. fatuitas, fr. fatuus foolish: cf.
   F. fatuit['e] Cf. {Fatuous}.]
   Weakness or imbecility of mind; stupidity.
   [1913 Webster]

         Those many forms of popular fatuity.     --I Taylor.
   [1913 Webster]
    

96 Moby Thesaurus words for "fatuity":
      absurdity, aimlessness, asininity, battiness, blank mind,
      blankmindedness, blankness, bootlessness, brainlessness,
      buffoonery, calm of mind, clownishness, counterproductiveness,
      counterproductivity, crackpottedness, crankiness, craziness,
      daffiness, desipience, eccentricity, emptiness, emptiness of mind,
      empty-headedness, failure, fallow mind, fatuousness, fecklessness,
      folly, foolery, foolheadedness, foolishness, frivolity,
      frivolousness, fruitlessness, futility, giddiness, goofiness,
      hollowness, idiocy, imbecility, impotence, inanity,
      ineffectiveness, ineffectuality, ineffectualness,
      inefficaciousness, inefficacy, ineptitude, insanity, invalidity,
      lunacy, madness, meaninglessness, mental blankness, mindlessness,
      niaiserie, nirvana, nugacity, nuttiness, oblivion, otiosity,
      passivity, pointlessness, profitlessness, purposelessness,
      queerness, quietism, rat race, sappiness, screwiness,
      senselessness, silliness, stupidity, tabula rasa, the absurd,
      thoughtfreeness, thoughtlessness, tranquillity, triflingness,
      triviality, unintelligence, unproductiveness, unprofitability,
      unprofitableness, uselessness, vacancy, vacuity, valuelessness,
      vanity, vicious circle, wackiness, weirdness, witlessness,
      worthlessness, zaniness, zanyism