ADJECTIVE (3)

1. of or relating to or attended by putrefaction;
- Example: "putrid decomposition"

2. in an advanced state of decomposition and having a foul odor;
- Example: "horrible like raw and putrid flesh"- Somerset Maugham

3. morally corrupt or evil;
- Example: "the putrid atmosphere of the court"

The Collaborative International Dictionary of English v.0.48:

Putrid \Pu"trid\, a. [L. putridus, fr. putrere to be rotten, fr.
   puter, or putris, rotten, fr. putere to stink, to be rotten:
   cf. F. putride. See Pus, Foul, a.]
   1. Tending to decomposition or decay; decomposed; rotten; --
      said of animal or vegetable matter; as, putrid flesh. See
      Putrefaction.
      [1913 Webster]

   2. Indicating or proceeding from a decayed state of animal or
      vegetable matter; as, a putrid smell.
      [1913 Webster]

   Putrid fever (Med.), typhus fever; -- so called from the
      decomposing and offensive state of the discharges and
      diseased textures of the body.

   Putrid sore throat (Med.), a gangrenous inflammation of the
      fauces and pharynx.
      [1913 Webster]

WordNet (r) 3.0 (2006):

putrid
    adj 1: of or relating to or attended by putrefaction; "putrid
           decomposition"
    2: in an advanced state of decomposition and having a foul odor;
       "horrible like raw and putrid flesh"- Somerset Maugham
    3: morally corrupt or evil; "the putrid atmosphere of the court"

Moby Thesaurus II by Grady Ward, 1.0:

122 Moby Thesaurus words for "putrid":
   bad, bad-smelling, barfy, bum, cankered, carious, cheesy, corrupt,
   crappy, creepy, crummy, decayed, decaying, decomposed, decomposing,
   degenerate, depraved, dirty, disgusting, fecal, feculent,
   festering, fetid, filthy, flagitious, flyblown, foul, frowsty,
   frowy, frowzy, fulsome, funky, fusty, gamy, gangrened, gangrenous,
   gloppy, godawful, gone bad, goshawful, graveolent, grim, gunky,
   hairy, high, icky, ill-smelling, maggoty, malodorous, mephitic,
   miasmal, miasmic, mildewed, mildewy, moldy, mortified, mouldy,
   mucky, musty, nasty, nauseating, necrosed, necrotic, nefarious,
   nidorous, noisome, noxious, odious, odorous, offensive, olid,
   ordurous, peccant, perverse, puky, punk, putrefied, putrescent,
   rancid, rank, reasty, reasy, reechy, reeking, reeky, repulsive,
   rotten, rotting, scabby, scummy, scurfy, shitty, slabby, slimy,
   sloppy, sloshy, sludgy, slushy, smellful, smelling, smelly,
   sphacelated, spoiled, spoilt, sposhy, stenchy, stinking, stinky,
   strong, stuffy, sulfurous, suppurating, suppurative, tainted,
   ulcerated, unhealthy, vicious, vile, villainous, vomity, wormy,
   yecchy