Omnivorous

from WordNet (r) 3.0 (2006)

omnivorous
    adj 1: feeding on both plants and animals [ant: {carnivorous},
           {herbivorous}, {insectivorous}]

from The Collaborative International Dictionary of English v.0.48

Omnivorous \Om*niv"o*rous\, a. [L. omnivorus; omnis all + vorate
   to eat greedily. See {Voracious}.]
   1. All-devouring; eating everything indiscriminately; as,
      omnivorous vanity; an omnivorous intellect.
      [1913 Webster +PJC]

   2. Specifically: (Zool.), Eating both animal and vegetable
      food.
      [1913 Webster] -- {Om*niv"o*rous*ness}, n.
      [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

93 Moby Thesaurus words for "omnivorous":
      Apician, a hog for, acquisitive, all-devouring, avaricious, avid,
      bolting, bottomless, cannibal, cannibalistic, carnivorous,
      commensal, coveting, covetous, cramming, crapulent, crapulous,
      devouring, dietetic, dining, eating, edacious, esurient, feeding,
      flesh-eating, fruitarian, gastronomic, glutting, gluttonizing,
      gluttonous, gobbling, gorging, grabby, grain-eating, graminivorous,
      granivorous, grasping, grass-eating, greedy, gulping, guttling,
      guzzling, herbivorous, hoggish, hyperphagic, insatiable, insatiate,
      insect-eating, insectivorous, intemperate, lactovegetarian,
      limitless, man-eating, meat-eating, mensal, mercenary, miserly,
      money-hungry, money-mad, nourishing, nutritious, omophagous,
      overgreedy, pantophagous, phytivorous, phytophagous, piggish,
      plant-eating, polyphagic, postprandial, prandial, predacious,
      preprandial, quenchless, rapacious, ravening, ravenous, slakeless,
      sordid, stuffing, swinish, unappeasable, unappeased, unquenchable,
      unsated, unsatisfied, unslakeable, unslaked, vegetable-eating,
      vegetarian, venal, voracious, wolfing