
sofortig
immediate
Describes something that happens or is required without any delay or waiting time.
Der Fehler erfordert eine sofortige Korrektur, bevor das System ausfällt.
The error requires an immediate correction before the system fails.
immediate
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immediate
Describes something that happens or is required without any delay or waiting time.
Der Fehler erfordert eine sofortige Korrektur, bevor das System ausfällt.
The error requires an immediate correction before the system fails.
'Sofortig' (immediate) is the adjective corresponding to the adverb 'sofort' (immediately). If you know that 'sofort' means 'immediately', you can easily derive the meaning of 'sofortig' as 'immediate'.
Bitte geben Sie mir sofort Bescheid.
Please let me know immediately.
This adjective is used almost exclusively before a noun (attributive use). Using it after a verb like 'sein' (to be) (predicative use) is very rare and sounds unnatural or very formal.
Wir erwarten eine sofortige Reaktion der Regierung.
We expect an immediate reaction from the government.
'Sofortig' (immediate) is often used in formal, official, or business contexts to emphasize urgency. It is typical in instructions, warnings, or contracts.
Bei Vertragsbruch ist eine sofortige Kündigung möglich.
In the event of a breach of contract, immediate termination is possible.
immediate
Both words call for quick action without unnecessary delay. Umgehend is often used in formal or business language and may allow for brief necessary preparations; sofortig emphasizes more strongly that something happens without any waiting. In an urgent instruction, sofortig is therefore more forceful.

Wegen der Gefahr ist eine sofortige Reaktion nötig.
Because of the danger, an immediate response is necessary.
Bitte schicken Sie uns die fehlenden Unterlagen umgehend.
Please send us the missing documents immediately.