The Collaborative International Dictionary of English v.0.48:

Stink \Stink\, v. i. [imp. & p. p. Stunk, Stank, p. pr. &
   vb. n. Stinking.] [AS. stinkan to have a smell (whether
   good or bad); akin to OHG. stinchan, G. & D. stinken to
   stink; of uncertain origin; cf. Icel. st["o]kkva to leap, to
   spring, Goth. stigqan to push, strike, or Gr. ? rancid. Cf.
   Stench.]
   To emit a strong, offensive smell; to send out a disgusting
   odor.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Stink \Stink\, v. t.
   To cause to stink; to affect by a stink.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Stink \Stink\, n. [AS. stinc.]
   A strong, offensive smell; a disgusting odor; a stench.
   [1913 Webster]

   Fire stink. See under Fire.

   Stink-fire lance. See under Lance.

   Stink rat (Zool.), the musk turtle. [Local, U.S.]

   Stink shad (Zool.), the gizzard shad. [Local, U.S.]

   Stink trap, a stench trap. See under Stench.
      [1913 Webster]

WordNet (r) 3.0 (2006):

stink
    n 1: a distinctive odor that is offensively unpleasant [syn:
         malodor, malodour, stench, stink, reek, fetor,
         foetor, mephitis]
    v 1: be extremely bad in quality or in one's performance; "This
         term paper stinks!"
    2: smell badly and offensively; "The building reeks of smoke"
       [syn: reek, stink]

Moby Thesaurus II by Grady Ward, 1.0:

39 Moby Thesaurus words for "stink":
   BO, bad breath, bad smell, be aromatic, be redolent of, body odor,
   breathe, emit a smell, exhale, fetidity, fetidness, fetor,
   foul breath, foul odor, frowst, funk, graveolence, halitosis,
   malodor, mephitis, miasma, nidor, noxious stench,
   offend the nostrils, offensive odor, reek, reeking, rotten smell,
   smell, smell bad, smell of, smell to heaven, smell up, stench,
   stench of decay, stink out, stink up, suck, yield an odor