unavoidable
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unavoidable
In such a way that it cannot be avoided or prevented; bound to happen.
Aufgrund des starken Schneefalls waren Verspätungen im Zugverkehr unvermeidlich.
Due to the heavy snowfall, delays in train traffic were unavoidable.
The word is clearly structured: the prefix 'un-' means 'not', the stem comes from the verb 'vermeiden' (to avoid), and the ending '-lich' makes it an adjective. So it literally means 'not avoidable'.
Eine Preiserhöhung war leider unvermeidlich.
Unfortunately, a price increase was unavoidable.
'Unvermeidlich' (unavoidably / inevitably) can also be used as an adverb to express that something inevitably happens. It then usually stands directly next to the verb or at the beginning of the sentence.
Diese Entscheidung führt unvermeidlich zu Konflikten.
This decision inevitably leads to conflicts.
The adjective is often combined with nouns that describe a result or consequence. Typical collocations are 'unvermeidliche Folgen' (unavoidable consequences), 'unvermeidliche Konsequenzen' (unavoidable consequences), or 'ein unvermeidliches Ergebnis' (an unavoidable result).
Der Klimawandel hat unvermeidliche Folgen für die Landwirtschaft.
Climate change has unavoidable consequences for agriculture.
inevitable
Zwangsläufig and unvermeidlich can both refer to a consequence that cannot be prevented. Zwangsläufig additionally emphasizes that it follows logically or causally from the circumstances; unvermeidlich only stresses that it cannot be prevented. Use zwangsläufig for a reasoned consequence and unvermeidlich when emphasizing that there is no way to avert it.
Wegen des starken Schneefalls war eine Verspätung der Züge unvermeidlich.
Because of the heavy snowfall, train delays were unavoidable.
Aus dem starken Schneefall folgt zwangsläufig eine Verspätung der Züge.
The heavy snowfall inevitably leads to train delays.
