01
zweifelsfrei
undoubtedly
Without any doubt; completely certain, clear, and indisputable.
example
Es wurde zweifelsfrei bewiesen, dass der Angeklagte unschuldig ist.
It was undoubtedly proven that the defendant is innocent.
zweifelsfrei
undoubtedly
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Meanings
Usage tips
Word composition
The word is made up of 'Zweifel' (doubt), the linking -s, and 'frei' (free). So it literally means 'free of doubt' and strengthens a statement.
EXAMPLE
Die Echtheit des Dokuments konnte zweifelsfrei bestätigt werden.
The authenticity of the document could be undoubtedly confirmed.
Typical collocations
'Zweifelsfrei' (undoubtedly) is often used with verbs that express clarity or evidence. Typical combinations are 'zweifelsfrei beweisen' (to prove beyond doubt), 'zweifelsfrei nachweisen' (to demonstrate beyond doubt), and 'zweifelsfrei identifizieren' (to identify beyond doubt).
EXAMPLE
Der Täter wurde anhand der Fingerabdrücke zweifelsfrei identifiziert.
The perpetrator was undoubtedly identified by means of the fingerprints.
Formal context
This word belongs more to formal language, for example in legal, scientific, or police reports. It gives a statement great weight.
EXAMPLE
Das Gutachten stellt zweifelsfrei fest, dass die Brücke sicher ist.
The expert report establishes undoubtedly that the bridge is safe.
Compare with
zweifelsfrei vs sicher
sure / safe
'sicher' and 'zweifelsfrei' can both express that there is no doubt. However, 'sicher' is much more general and is used very often in everyday language: you can be sure about something, or something can certainly happen. 'zweifelsfrei' is stronger and sounds more precise or more formal. It fits especially when something has been clearly established by evidence. Learners may confuse the words because both express certainty. 'sicher' is often enough for a personal conviction, while 'zweifelsfrei' emphasizes a clear finding.
zweifelsfrei
Die Ärztin konnte die Ursache der Schmerzen zweifelsfrei feststellen.
The doctor was able to determine the cause of the pain beyond any doubt.
sicher
Nach der Nachricht war meine Freundin sicher, dass alles gut ist.
After the message, my friend was sure that everything was fine.
In real life
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