The Collaborative International Dictionary of English v.0.48:

Stuff \Stuff\, v. t. [imp. & p. p. Stuffed; p. pr. & vb. n.
   Stuffing.] [OE. stoffen; cf. OF. estoffer, F. ['e]toffer,
   to put stuff in, to stuff, to line, also, OF. estouffer to
   stifle, F. ['e]touffer; both perhaps of Teutonic origin, and
   akin to E. stop. Cf. Stop, v. t., Stuff, n.]
   1. To fill by crowding something into; to cram with
      something; to load to excess; as, to stuff a bedtick.
      [1913 Webster]

            Sometimes this crook drew hazel bought adown,
            And stuffed her apron wide with nuts so brown.
                                                  --Gay.
      [1913 Webster]

            Lest the gods, for sin,
            Should with a swelling dropsy stuff thy skin.
                                                  --Dryden.
      [1913 Webster]

   2. To thrust or crowd; to press; to pack.
      [1913 Webster]

            Put roses into a glass with a narrow mouth, stuffing
            them close together . . . and they retain smell and
            color.                                --Bacon.
      [1913 Webster]

   3. To fill by being pressed or packed into.
      [1913 Webster]

            With inward arms the dire machine they load,
            And iron bowels stuff the dark abode. --Dryden.
      [1913 Webster]

   4. (Cookery) To fill with a seasoning composition of bread,
      meat, condiments, etc.; as, to stuff a turkey.
      [1913 Webster]

   5. To obstruct, as any of the organs; to affect with some
      obstruction in the organs of sense or respiration.
      [1913 Webster]

            I'm stuffed, cousin; I can not smell. --Shak.
      [1913 Webster]

   6. To fill the skin of, for the purpose of preserving as a
      specimen; -- said of birds or other animals.
      [1913 Webster]

   7. To form or fashion by packing with the necessary material.
      [1913 Webster]

            An Eastern king put a judge to death for an
            iniquitous sentence, and ordered his hide to be
            stuffed into a cushion, and placed upon the
            tribunal.                             --Swift.
      [1913 Webster]

   8. To crowd with facts; to cram the mind of; sometimes, to
      crowd or fill with false or idle tales or fancies.
      [1913 Webster]

   9. To put fraudulent votes into (a ballot box). [U. S.]
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

filled \filled\ adj.
   1. containing as much or as many as is possible or normal;
      as, filled to overflowing. Opposite of empty. [Narrower
      terms: abounding in(predicate), abounding
      with(predicate), bristling with(predicate), full
      of(predicate), overflowing, overflowing with(predicate),
      rich in(predicate), rife with(predicate), thick
      with(predicate); brimful, brimful of(predicate),
      brimfull, brimfull of(predicate), brimming, brimming
      with(predicate); chockablock(predicate),
      chock-full(predicate), chockfull(predicate),
      chockful(predicate), choke-full(predicate),
      chuck-full(predicate), cram full; congested, engorged;
      crawling with(predicate), overrun with, swarming,
      swarming with(predicate), teeming, teeming
      with(predicate); flooded, inundated, swamped ; {glutted,
      overfull; heavy with(predicate) ; {laden, loaded ;
      {overladen, overloaded ; {stuffed ; {stuffed; well-lined
      ]

   Syn: full.
        [WordNet 1.5]

   2. entirely of one substance with no holes inside. Opposite
      of {hollow.

   Syn: solid.
        [WordNet 1.5]

   3. having appointments throughout the course of a period; --
      of an appointment schedule; as, My calendar is filled for
      the week. Opposite of unoccupied and free

   Syn: occupied.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

stuffed
    adj 1: filled with something; "a stuffed turkey"
    2: crammed with food; "a full stomach"; "I feel stuffed"

Moby Thesaurus II by Grady Ward, 1.0:

96 Moby Thesaurus words for "stuffed":
   SRO, allayed, awash, bloated, blocked, bound, brimful, brimming,
   bulging, bursting, capacity, chock-full, choked, choked up,
   chuck-full, clogged, clogged up, cloyed, congested, constipated,
   costive, cram-full, crammed, crowded, disgusted, distended,
   drenched, engorged, farci, fed-up, filled, filled to overflowing,
   flush, foul, fouled, full, full of, full to bursting, glutted,
   gorged, hyperemic, in spate, infarcted, jaded, jam-packed, jammed,
   loaded, obstipated, obstructed, overblown, overburdened,
   overcharged, overfed, overflowing, overfraught, overfreighted,
   overfull, overgorged, overladen, overloaded, oversaturated,
   overstocked, overstuffed, oversupplied, overweighted, packed,
   packed like sardines, plenary, plethoric, plugged, plugged up,
   ready to burst, replete, round, running over, sated, satiated,
   satisfied, saturated, sick of, slaked, soaked, standing room only,
   stopped, stopped up, stuffed up, supercharged, supersaturated,
   surcharged, surfeited, swollen, tired of, topful, with a bellyful,
   with a snootful, with enough of