This is the 4066th most frequent Russian word.
невозможно
"Impossible."
The word 'невозможно' is used here to denote an impossibility of performing an action without external assistance.
Невозможно понять эту сложную задачу без помощи.
It is impossible to understand this complex problem without help.
The word 'невозможно' emphasizes the impracticality or extreme difficulty of an action due to external conditions.
После дождя идти по этой дороге просто невозможно.
After the rain, it is just impossible to walk on this road.
The word 'невозможно' conveys disbelief or incomprehensibility regarding a surprising event.