The Collaborative International Dictionary of English v.0.48:

buried \buried\ adj.
   1. covered from view; as, her face buried (or hidden) in her
      hands; buried in the smoke of many rifles.

   Syn: hidden.
        [WordNet 1.5]

   2. placed in a grave; as, the hastily buried corpses.
      Opposite of unburied.

   Syn: inhumed, interred.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Bury \Bur"y\, v. t. [imp. & p. p. Buried; p. pr. & vb. n.
   Burying.] [OE. burien, birien, berien, AS. byrgan; akin to
   beorgan to protect, OHG. bergan, G. bergen, Icel. bjarga, Sw.
   berga, Dan. bierge, Goth. ba['i]rgan. [root]95. Cf.
   Burrow.]
   1. To cover out of sight, either by heaping something over,
      or by placing within something, as earth, etc.; to conceal
      by covering; to hide; as, to bury coals in ashes; to bury
      the face in the hands.
      [1913 Webster]

            And all their confidence
            Under the weight of mountains buried deep. --Milton.
      [1913 Webster]

   2. Specifically: To cover out of sight, as the body of a
      deceased person, in a grave, a tomb, or the ocean; to
      deposit (a corpse) in its resting place, with funeral
      ceremonies; to inter; to inhume.
      [1913 Webster]

            Lord, suffer me first to go and bury my father.
                                                  --Matt. viii.
                                                  21.
      [1913 Webster]

            I'll bury thee in a triumphant grave. --Shak.
      [1913 Webster]

   3. To hide in oblivion; to put away finally; to abandon; as,
      to bury strife.
      [1913 Webster]

            Give me a bowl of wine
            In this I bury all unkindness, Cassius. --Shak.
      [1913 Webster]

   Burying beetle (Zool.), the general name of many species of
      beetles, of the tribe Necrophaga; the sexton beetle; --
      so called from their habit of burying small dead animals
      by digging away the earth beneath them. The larv[ae] feed
      upon decaying flesh, and are useful scavengers.

   To bury the hatchet, to lay aside the instruments of war,
      and make peace; -- a phrase used in allusion to the custom
      observed by the North American Indians, of burying a
      tomahawk when they conclude a peace.
      [1913 Webster]

   Syn: To intomb; inter; inhume; inurn; hide; cover; conceal;
        overwhelm; repress.
        [1913 Webster] Burying ground

WordNet (r) 3.0 (2006):

buried
    adj 1: placed in a grave; "the hastily buried corpses" [syn:
           buried, inhumed, interred] [ant: unburied]

Moby Thesaurus II by Grady Ward, 1.0:

53 Moby Thesaurus words for "buried":
   abstruse, beclouded, blind, close, clouded, concealed, covered,
   covert, deep-buried, drowned, eclipsed, engulfed, flooded, guarded,
   hid, hidden, immersed, in a cloud, in a fog, in eclipse, in purdah,
   in the wings, incommunicado, inundated, latent, mysterious,
   obfuscated, obscure, obscured, occult, privy, recondite, secluded,
   secluse, secret, sequestered, shrouded, subaqueous, submarine,
   submerged, submersed, subterranean, subterraneous, sunken,
   under an eclipse, under cover, under house arrest, under wraps,
   underground, undersea, underwater, unknown, wrapped in clouds