A sensation, pleasant or unpleasant, detected by inhaling air (or, the case of water-breathing animals, water) carrying airborne molecules of a substance.
I love the smell of fresh bread.
The sense that detects odours.
A conclusion or intuition that a situation is wrong, more complex than it seems, or otherwise inappropriate.
To sense a smell or smells.
I can smell fresh bread.
Followed by like or of if descriptive: to have a particular smell, whether good or bad.
Her feet smell of cheese.
(without a modifier) To smell bad; to stink.
Ew, this stuff smells.
To have a particular tincture or smack of any quality; to savour.
A report smells of calumny.
To exercise sagacity.
To detect or perceive; often with out.
To give heed to.