1. Having an unpleasant smell
   "The malodourous garbage needed to be taken out immediately";
   - malodorous, unpleasant-smelling, ill-smelling, stinky [informal], pongy [Brit, informal], whiffy [Brit, informal], minging [Brit, informal], niffy [Brit, informal]

See also: bilgy, fetid, foetid [Brit], foul, foul-smelling, frowsty [Brit, informal], funky [N. Amer, informal], fusty, gamey, gamy, high, ill-scented, mephitic, miasmatic, miasmic, musty, noisome, odiferous, odoriferous, odorous, olid [literary], putrid-smelling, rancid, rank-smelling, reeking, ripe [informal], smelly, sour, stinking

Antonym: fragrant