This is the 2280th most frequent Russian word.
исключено
"Excluded" or "impossible."
The word "исключено" is used here to express that something is entirely impossible or not permissible.
Это совершенно исключено.
This is absolutely out of the question.
Here "исключено" denotes that something isn't ruled out or prevented by the situation.
Тебе не следовало этого делать – это никак не исключено.
You shouldn't have done that—it is in no way excluded.
The usage of "исключено" in this context serves to emphasize the improbability or impossibility of an event.