This is the 178th most frequent Russian word.
ничего
"Nothing," "not anything," or "it's okay" (depending on context).
The word "ничего" is used in a negative sentence to mean "anything."
Я ничего не знаю.
I don't know anything.
The word "ничего" again represents "anything" in a negative expression.
Он делает вид, что ничего не слышит.
He pretends not to hear anything.
The word "ничего" is used to console or diminish the severity of a problem, meaning "it's nothing."