This is the 243rd most frequent Russian word.
такое
"Such" or "like that."
In this sentence, 'такое' is used as part of the phrase 'что такое', meaning 'what is'. It is often used in questions to identify or explore the nature or definition of something.
Что такое успех?
What is success?
Here, 'такое' acts as an adjective modifier, meaning 'such', used to emphasize the peculiarity or uniqueness of the noun 'чувство' (feeling).
Это такое странное чувство.
It's such a strange feeling.
In this sentence, 'такое' also functions as an adjective modifier, lending an emphasis of peculiarity to the noun 'ощущение' (feeling) to specify a distinct or noteworthy type of feeling.