WordWeb Online

1. Having odour or a characteristic odour
   "odorous jasmine flowers"; "odorous garbage"; "fresh odorous bread"
    
2. Emitting an odour
   "odorous salt pork and weevily hardtack"
   - odoriferous, odiferous
    
3. Having a natural fragrance
   "the odorous air of the orchard"
   - odoriferous, perfumed, scented, sweet, sweet-scented, sweet-smelling, odiferous

See also: alliaceous, almond-scented, anise-scented, apple-scented, aroma, balsam-scented, candy-scented, cedar-scented, cinnamon-scented, clove-scented, fragrant, ginger-scented, honey-scented, ill-smelling, lemon-scented, malodorous, malodourous, minging [Brit], mint-scented, musk-scented, musky-scented, odor [US], odour [Brit, Cdn], olfactory property, pleasant-smelling, pongy [Brit], redolent, scent, scented, smell, smelling, spice-scented, stinky, strong-scented, strong-smelling, tansy-scented, tansy-smelling, tea-scented, unpleasant-smelling, vanilla-scented, violet-scented, whiffy [Brit]

Antonym: odorless [US]