This is the 14763rd most frequent German word.
ouni
The word "ouni" is not German; it is Luxembourgish and means "without."
This sentence uses 'ohne' to indicate something that is indispensable for survival.
Wir können nicht ohne Wasser überleben.
We cannot survive without water.
In this sentence, 'ohne' is used as a preposition meaning 'without', showing the context of feeling incomplete or lacking something.
Ich verlasse das Haus nicht ohne meinen Schlüssel.
I don't leave the house without my key.
Here, 'ohne' signifies the absence of assistance during the action described.