- that characteristic of a substance which makes it perceptible to the sense of smell
- a smell, whether pleasant or unpleasant; fragrance, stench, etc.
- a pervasive atmosphere or quality: an odor of intolerance
- Archaic a perfume or other sweet-smelling substance
Origin of odorOld French from Classical Latin from Indo-European base an unverified form od-, to smell, odor from source Classical Greek odm?, (var. of osm?), scent, Swedish os, smell, suffocating gas
be in bad odor