[1] : The Collaborative International Dictionary of English v.0.48

nonsensical \nonsen"sical\, a.
   without sense; unmeaning; absurd; foolish; irrational;
   preposterous. -- nonsen"sically, adv. --
   nonsen"sicalness, n.
   1913 webster
see also:
nonsen"sically nonsen"sicalness 

[2] : WordNet (r) 2.0

nonsensical
     adj 1: completely devoid of wisdom or good sense; "the absurd
            excuse that the dog ate his homework"; "that's a
            cockeyed idea"; "ask a nonsensical question and get a
            nonsensical answer"; "a contribution so small as to be
            laughable"; "it is ludicrous to call a cottage a
            mansion"; "a preposterous attempt to turn back the
            pages of history"; "her conceited assumption of
            universal interest in her rather dull children was
            ridiculous" syn: absurd, cockeyed, derisory, idiotic,
             laughable, ludicrous, preposterous, ridiculous
     2: having no intelligible meaning; "nonsense syllables"; "a
        nonsensical jumble of words" syn: nonsensea
see also:
absurd cockeyed derisory idiotic laughable ludicrous 
preposterous ridiculous nonsensea 

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

45 moby thesaurus words for "nonsensical":
   pickwickian, absurd, asinine, askew, beyond belief, bizarre,
   cockamamie, crazy, dumb, extravagant, fantastic, fool, foolish,
   grotesque, high-flown, idiotic, imbecilic, incredible, irrational,
   laughable, loony, ludicrous, mad, meaningless, monstrous, moronic,
   nutty, outrageous, outre, poppycockish, preposterous, ridiculous,
   rubbishy, screwball, screwy, senseless, silly, skimble-skamble,
   stupid, trashy, twaddling, twaddly, warped, weird, wild

Nonsensical >> N Words
Nonsensical, definition of term: Nonsensical
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