Adverb

schnellstmöglich

Translation

as soon as possible, as quickly as possible

Bitte antworten Sie schnellstmöglich.

Please reply as soon as possible.

Wir brauchen eine schnellstmögliche Lösung.

We need the quickest possible solution.

((Adverb)) (as an adverb) as quickly as possible Please call back as soon as possible.

((Adjective)) (as an adjective) the quickest possible We need the quickest possible answer.

Synonyms: baldmöglichst, umgehend, sofort; Antonyms: so spät wie möglich (as late as possible)

A compound of 'schnellst' (fastest, superlative of 'schnell') and 'möglich' (possible). Literally 'fastest possible'.

Break it down into its two parts: 'schnellst' (fastest) and 'möglich' (possible). This makes the meaning 'as fast as possible' very clear.