
schleunigst
as quickly as possible
As fast as possible; without any delay. The word expresses great urgency or an emphatic request.
Du musst schleunigst zum Arzt gehen!
You need to go to the doctor as quickly as possible!
as quickly as possible
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as quickly as possible
As fast as possible; without any delay. The word expresses great urgency or an emphatic request.
Du musst schleunigst zum Arzt gehen!
You need to go to the doctor as quickly as possible!
“Schleunigst” is the superlative form of the adjective “schleunig” (quick). The ending “-st” intensifies the meaning to “as fast as absolutely possible” or “as quickly as possible.”
Bitte ruf mich schleunigst zurück, es ist dringend!
Please call me back as quickly as possible; it’s urgent!
This adverb expresses very high urgency and is often used in commands or urgent requests. It has a demanding, not neutral, character.
Der Chef will, dass du diesen Bericht schleunigst fertigstellst.
The boss wants you to finish this report as quickly as possible.
As an adverb, “schleunigst” usually stands in the middle part of the sentence (in the Mittelfeld) and refers directly to the verb of the action that is supposed to be carried out quickly.
Du musst dich schleunigst um diese Angelegenheit kümmern.
You need to take care of this matter as quickly as possible.
immediate
Both words call for a response without unnecessary delay. Umgehend refers more to taking action without delay, while schleunigst additionally emphasizes the greatest possible haste and an emphatic request. Umgehend is suitable in factual communication; under particular time pressure, schleunigst can express greater urgency.

Bitte reparieren Sie die gefährliche Tür schleunigst.
Please repair the dangerous door as quickly as possible.
Bitte bearbeiten Sie die Kundenbeschwerde umgehend.
Please process the customer complaint immediately.