der Stillstand
standstill
A state in which all movement or activity has stopped.
Ein technischer Defekt führte zum Stillstand der gesamten Produktionsanlage.
A technical defect brought the entire production facility to a standstill.

standstill
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standstill
A state in which all movement or activity has stopped.
Ein technischer Defekt führte zum Stillstand der gesamten Produktionsanlage.
A technical defect brought the entire production facility to a standstill.

'Stillstand' (standstill) is made up of the adjective 'still' (quiet, without movement) and the noun 'der Stand' (state/standing). It literally describes a state in which everything is standing still.
Ein Stromausfall führte zum plötzlichen Stillstand der Maschinen.
A power outage led to the sudden standstill of the machines.
'Stillstand' (standstill) is very commonly used with the verbs 'kommen' (to come) and 'bringen' (to bring): 'zum Stillstand kommen' means that something stops on its own, and 'etwas zum Stillstand bringen' means that someone or something actively stops it.
Der Zug kam quietschend zum Stillstand.
The train came screeching to a standstill.
In medicine, 'Stillstand' (arrest/standstill) is almost always used as part of a compound to name the stopping of a vital function. Typical examples are 'Herzstillstand' (cardiac arrest), 'Atemstillstand' (respiratory arrest), and 'Kreislaufstillstand' (circulatory arrest).
Der Notarzt wurde wegen eines Herzstillstands gerufen.
The emergency doctor was called because of a cardiac arrest.
In a figurative sense, 'Stillstand' (standstill) describes a lack of progress. It is often combined with abstract nouns like 'Wirtschaft' (economy), 'Politik' (politics), or 'Verhandlungen' (negotiations).
Nach wochenlangen Debatten herrscht in der Regierung nun Stillstand.
After weeks of debate, there is now standstill in the government.
development
'die Entwicklung' and 'der Stillstand' are opposites here. 'Entwicklung' means that something changes, grows, or makes progress. 'Stillstand' means that nothing is moving forward and no important change is happening. The contrast is especially clear in work, politics, the economy, or personal learning. When something becomes better or different, you use 'Entwicklung'. When everything stays the same and no progress happens, you use 'Stillstand'.

Am Montag gab es bei den Verhandlungen einen Stillstand.
On Monday, the negotiations came to a standstill.
Nach der Arbeit liest er einen Bericht über die Entwicklung des neuen Stadtteils.
After work, he reads a report about the development of the new district.