
fehlerfrei
error-free
Without errors; completely correct and without defects.
Sie hat die Prüfung fehlerfrei bestanden.
She passed the exam without any errors.
error-free
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error-free
Without errors; completely correct and without defects.
Sie hat die Prüfung fehlerfrei bestanden.
She passed the exam without any errors.
The word is made up of 'Fehler' (error) and the suffix '-frei' (-free). The suffix '-frei' means 'without' and can be attached to many nouns to express that something is not present.
Ich suche ein Auto, das rostfrei ist.
I am looking for a car that is rust-free.
'Fehlerfrei' (error-free) can be used like an adverb to describe a verb. It then answers the question 'Wie?' (How?) and describes that an action is performed without errors.
Er spricht nach nur einem Jahr in Deutschland schon fast fehlerfrei.
After only one year in Germany, he already speaks almost without any errors.
The adjective is often used to describe the quality of texts, performances, or technical processes. Typical nouns are 'Text' (text), 'Diktat' (dictation), 'Aufsatz' (essay), 'Leistung' (performance), or 'Software' (software).
Bitte geben Sie einen fehlerfreien Text ab.
Please submit an error-free text.
flawless
Fehlerfrei and einwandfrei both describe something without any apparent errors or defects. Fehlerfrei focuses more narrowly on correctness. Einwandfrei is broader and is especially suitable when the overall condition, quality, or performance gives no reason for complaint.

Der Programmcode ist nach der letzten Korrektur fehlerfrei.
The program code is error-free after the latest correction.
Das neue Programm läuft auch unter hoher Belastung einwandfrei.
The new program runs flawlessly even under heavy load.