
der Gestank
stench
A very strong and unpleasant smell.
Nach dem Kochen von Kohl breitete sich ein übler Gestank in der ganzen Wohnung aus.
After cooking cabbage, a foul stench spread throughout the apartment.
stench
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stench
A very strong and unpleasant smell.
Nach dem Kochen von Kohl breitete sich ein übler Gestank in der ganzen Wohnung aus.
After cooking cabbage, a foul stench spread throughout the apartment.
'Der Gestank' (the stench) is the noun related to the verb 'stinken' (to stink). When something stinks, it gives off a Gestank. The prefix 'Ge-' is often used to form nouns from verbs.
Was stinkt hier so?
What stinks so much here?
Since 'Gestank' is already negative, it is often combined with strongly intensifying adjectives such as 'übel' (foul), 'fürchterlich' (terrible), 'scheußlich' (horrible), or 'unerträglich' (unbearable).
Ein übler Gestank kam aus dem Abfluss.
A foul stench came from the drain.
To name the source of the stench, the prepositions 'von' (from/of) or 'nach' (of/like) are used. 'Von' is somewhat more general, while 'nach' describes a more specific smell.
Der Gestank von verbranntem Plastik zog durch die Straße.
The stench of burned plastic drifted through the street.
smell
Geruch generally refers to a perception through the nose and can be pleasant or unpleasant. Gestank, on the other hand, is always very strong and unpleasant. Use Geruch in a neutral statement and Gestank when you want to explicitly emphasize the repulsive intensity.

Im Keller war ein starker Gestank kaum auszuhalten.
The strong stench in the basement was almost unbearable.
Im Keller war ein unangenehmer Geruch zu bemerken.
There was an unpleasant smell in the basement.