(transitive) To sense a smell or smells. / (intransitive, copulative) Followed by like or of if descriptive: to have a particular smell, whether good or bad.

A sensation, pleasant or unpleasant, detected by inhaling air (or, the case of water-breathing animals, water) carrying airborne molecules of a substance. / (physiology) The sense that detects odours.

simple past tense and past participle of smell

The act by which something is smelled.

Third-person singular simple present indicative form of smell

plural of smell

present participle of smell / Used in adjectival compounds.

plural of smelling

(usually in the plural) ammonium carbonate, sometimes with added perfume, that is inhaled as a mild irritant to the mucous membranes, to help restore consciousness. / Any material used in this way.

(idiomatic) An informal method for determining whether something is authentic, credible, or ethical, by using one's common sense or sense of propriety.