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

negligible \neg"ligible\, a. cf. f. n'egligible,
   n'egligeable.
   that may be neglected, disregarded, or left out of
   consideration; too small or unimportant to be worthy of
   notice.
   1913 webster

         within very negligible limits of error.  --sir j.
                                                  herschel.
   1913 webster

[2] : WordNet (r) 2.0

negligible
     adj 1: so small as to be meaningless; insignificant; "the effect
            was negligible"
     2: not worth considering; "he considered the prize too paltry
        for the lives it must cost"; "piffling efforts"; "a
        trifling matter" syn: paltry, trifling
see also:
paltry trifling 

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

52 moby thesaurus words for "negligible":
   back-burner, cursory, depthless, dinky, dispensable, fat, few,
   footling, immaterial, inappreciable, inconsequential,
   inconsiderable, inessential, inferior, insignificant, irrelevant,
   little, low, meager, miniature, minor, minute, niggling,
   no great shakes, nonessential, not vital, nugatory, off, outside,
   paltry, petit, petty, picayune, picayunish, piddling, shallow,
   short, skin-deep, slender, slight, slim, small, superficial,
   technical, tiny, trifling, trivial, unessential, unimportant,
   unimpressive, unnoteworthy, worthless

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