This is the 554th most frequent Vietnamese word.
cực
"Cực" in Vietnamese translates to "extremely," "pole," or "utmost" depending on context.
In this sentence, 'cực' is used as an intensifier meaning 'extremely'.
Nơi đây có cảnh đẹp cực kỳ hấp dẫn.
This place has extremely attractive scenery.
Here, 'cực' functions as an intensifier to emphasize the extent of the cold.
Hôm nay trời cực lạnh, nhớ mặc ấm nhé.
Today is extremely cold; remember to dress warmly.
In this context, 'cực' is used to describe a superlative degree, meaning 'immense' or 'paramount'.