indispensable
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indispensable
Absolutely necessary and essential; something that one cannot do without under any circumstances.
Gegenseitiges Vertrauen ist eine unabdingbare Voraussetzung für eine erfolgreiche Partnerschaft.
Mutual trust is an indispensable requirement for a successful partnership.
The word consists of the prefix 'un-' (not) and 'abdingbar'. 'Abdingbar' comes from the old verb 'abdingen' (to negotiate away). So 'unabdingbar' (indispensable) literally means something that cannot be negotiated away or given up.
Pünktlichkeit ist für diesen Beruf unabdingbar.
Punctuality is indispensable for this profession.
'Unabdingbar' (indispensable) is very often combined with the preposition 'für' and the accusative. This expresses what something is absolutely necessary for.
Eine gute Vorbereitung ist unabdingbar für den Erfolg der Mission.
Good preparation is indispensable for the success of the mission.
'Unabdingbar' (indispensable) is a word of formal written language. It is often found in contracts, official documents, and academic texts.
Die Einhaltung der Sicherheitsvorschriften ist unabdingbar.
Compliance with the safety regulations is indispensable.
definitely / unconditional
'unbedingt' and 'unabdingbar' both express that something is very important or necessary. The most important difference is the part of speech and the style. 'unbedingt' is an adverb and often appears with a verb: someone should or wants to do something no matter what. 'unabdingbar' is an adjective and describes a thing or condition that cannot be left out. It sounds more factual or formal. Learners may confuse the words because both strongly suggest necessity. As a practical rule: 'unbedingt machen' (definitely do it), but 'etwas ist unabdingbar' (something is indispensable).
Für die Prüfung ist eine gute Vorbereitung unabdingbar.
Good preparation is indispensable for the exam.
Wegen des Wetters musst du unbedingt eine warme Jacke mitnehmen.
Because of the weather, you definitely need to take a warm jacket with you.