Source : Webster's Revised Unabridged Dictionary (1913)

Fetid \Fet"id\ (? or ?; 277), a. [L. fetidus, foetidus, fr.
   fetere, foetere, to have an ill smell, to stink: cf. F.
   f['e]tide.]
   Having an offensive smell; stinking.

         Most putrefactions . . . smell either fetid or moldy.
                                                  --Bacon.

Source : WordNet®

fetid
     adj : offensively malodorous; "a putrid smell" [syn: {foetid}, {foul},
            {foul-smelling}, {funky}, {noisome}, {smelly}, {putrid},
            {stinking}]