This is the 3129th most frequent Russian word.
критикой
The Russian word "критикой" means "criticism" (instrumental case).
Here, 'критикой' is used in the instrumental case to denote the criticism being received.
Он столкнулся с критикой своих идей.
He faced criticism of his ideas.
In this sentence, 'критикой' is highlighted as a manner of engaging, a tool for response.
Она отвечает на вопросы с критикой.
She responds to the questions with criticism.
Although not using the direct form 'критикой', this sentence illustrates the concept of criticism in a positive, constructive context.