The Collaborative International Dictionary of English v.0.48:

Glitter \Glit"ter\, v. i. [imp. & p. p. Glittered; p. pr. &
   vb. n. Glittering.] [OE. gliteren; akin to Sw. glittra,
   Icel. glitra, glita, AS. glitenian, OS. gl[imac]tan, OHG.
   gl[imac]zzan, G. gleissen, Goth. glitmunjan, and also to E.
   glint, glisten, and prob. glance, gleam.]
   [1913 Webster]
   1. To sparkle with light; to shine with a brilliant and
      broken light or showy luster; to gleam; as, a glittering
      sword.
      [1913 Webster]

            The field yet glitters with the pomp of war.
                                                  --Dryden.
      [1913 Webster]

   2. To be showy, specious, or striking, and hence attractive;
      as, the glittering scenes of a court.

   Syn: To gleam; to glisten; to shine; to sparkle; to glare.
        See Gleam, Flash.
        [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Glitter \Glit"ter\, n.
   A bright, sparkling light; brilliant and showy luster;
   brilliancy; as, the glitter of arms; the glitter of royal
   equipage. --Milton.
   [1913 Webster]

WordNet (r) 3.0 (2006):

glitter
    n 1: the quality of shining with a bright reflected light [syn:
         glitter, glister, glisten, scintillation,
         sparkle]
    2: the occurrence of a small flash or spark [syn: glitter,
       sparkle, coruscation]
    v 1: be shiny, as if wet; "His eyes were glistening" [syn:
         glitter, glisten, glint, gleam, shine]

Moby Thesaurus II by Grady Ward, 1.0:

86 Moby Thesaurus words for "glitter":
   be somebody, be something, bespangle, blatancy, blink, blinking,
   brazenness, brilliance, colorfulness, coruscate, coruscation,
   crudeness, cut a dash, cut a figure, cut a swath, dash, dazzle,
   dazzlingness, extravagance, extravaganza, extravagation, figure,
   firefly, flagrancy, flamboyance, flash, flashiness, floridity,
   floridness, flourish, gaiety, garishness, gaudery, gaudiness,
   glamor, glance, glare, gleam, glimmer, glimmering, glint, glisk,
   glisten, glister, glittering, glow, glowworm, gorgeousness,
   jauntiness, jazziness, live, loudness, luridness, make a figure,
   make a show, make a splash, meretriciousness, obtrusiveness,
   ostentation, pageantry, panache, pizzazz, refulgence, scintilla,
   scintillate, scintillation, sensationalism, shamelessness, shimmer,
   shimmering, shine, showiness, spangle, spark, sparkle, spectacle,
   splash, splendor, splurge, sportiness, stroboscopic light,
   tawdriness, tinsel, twinkle, twinkling, vulgarness