This is the 512th most frequent German word.
notwendig
Necessary.
Here, 'notwendig' is used to express necessity due to an essential requirement, emphasizing the importance of the action.
Es ist notwendig, genügend Wasser zu trinken.
It is necessary to drink enough water.
In this sentence, 'notwendig' indicates a condition required for the action, emphasizing the mandatory nature of having a passport.
Ein Passport ist notwendig, wenn man ins Ausland reisen möchte.
A passport is necessary when one wants to travel abroad.
Here, 'notwendig' conveys the idea of a practical or situational need, reflecting the inevitability or practical demand of the action in the context provided.