smell/smɛl/USA pronunciationv.,smelled or smelt/smɛlt/USA pronunciation smell•ing,n. v.
to detect the odor of (something) through the nose; inhale the odor of something: [~ + object]He smelled the flowers in the garden.[not: be + ~-ing* no object]Because he had a bad head cold he could hardly smell.
[not: be + ~-ing] to give off or have an odor:These flowers don't smell at all.
to have a certain odor or scent: [~ + of/like + object][not: be + ~-ing]The whole house smelled of smoke.[~ + adjective]The room smelled bad.
Physiology to give out a strong or offensive odor; stink:[not: be + ~-ing* no object]Whew, that fish really smells!
to test by the sense of smell:[~ + object]He smelled the meat to see if it was fresh.
to detect by cleverness:[not: be + ~-ing* ~ + object]The detective smelled foul play.
to have a trace or suggestion:[not: be + ~-ing* ~ + of + object]This smells of foul play.
Informal Termsto be of inferior quality; stink:[not: be + ~-ing* no object]Your team really smells!
smell out, [~ + object] to look for by or as if by smelling:The newspaper reporter could smell out a story from just a hint of trouble.
smell up, to fill with an offensive odor; stink up: [~ + up + object]Her perfume was smelling up the whole room.[~ + object + up]to smell it up.
n.
Physiology the sense of being able to detect something with the nose:[uncountable]the sense of smell.
that quality of a thing that is or may be smelled:[countable]The fish has a pretty strong smell.
an act or instance of smelling:[countable]Give this a smell and tell me if it's still fresh.
a trace or suggestion:[countable]a smell of danger.
an appearance, character, or quality that seems to be all around a thing:[countable]the sweet smell of success.
Idioms
Idiomssmell a rat, to suspect that something is wrong:He smelled a rat when he saw her sneaking through the back door.