Odour/ˈəʊdər/ Definition 1 of 4Pro Tip 1/3Nose Reaction Used to describe a physical smell, triggering a sensory response in the nose. The strong odour of garlic permeated the kitchen. Pro Tip 2/3Positive or Negative Can express a pleasant scent or a foul smell, context indicates which one. She loved the sweet odour of roses in the garden. Pro Tip 3/3Intensity Matters Often used when the smell is noticeable or strong, not for faint scents. An overpowering odour of fish filled the marketplace.