overpowering, pervasive, pungent, rich, sharp, strong
There was an overpowering smell of burning tyres.

faint | distinct | distinctive, particular, unmistakable | funny, peculiar, strange, unusual
What''s that funny smell?

familiar | lingering | aromatic, delectable, delicious, fragrant, fresh, lovely, nice, savoury, sweet, wonderful
the aromatic smells of a spring garden full of herbs

warm | appalling, awful, bad, evil, horrible, nasty, offensive, terrible, unpleasant, vile | acrid, nauseating, putrid, rank, sickly
An acrid smell filled the air.

damp, dank, musty, rancid, sour, stale
the sour smell of unwashed linen

earthy, fishy, masculine, metallic, musky, oily, smoky, spicy | cooking
Cooking smells drifted up from the kitchen.

be filled with, have
The air was filled with a pervasive smell of chemicals. | The cottage had a musty smell after being shut up over the winter.

give off
The skunk gives off an unpleasant smell when attacked.

catch, detect
As she walked into the house she detected the smell of gas.

come, emanate, drift, float, waft
A delicious smell of freshly baked bread wafted across the garden.

fill sth, hang | hit sb
Then the pungent smell hit us - rotting fish and seaweed.

~ from
the putrid smell from the slaughterhouse

~ of
The faint smell of her perfume hung in the air.

properly, well
I had a streaming cold, so I could not smell properly.

almost
Snow fell so that you could almost smell the cold.

can/could

strongly
His clothes smelled strongly of fish.

faintly, slightly, vaguely
He smelled faintly of sweat.

deliciously, pleasantly, sweetly

like
It smells like rotten meat!

of
The kitchen smelled sweetly of herbs and fruit.