This is the 6371st most frequent Russian word.
холодное
"Холодное" translates to "cold" or "cold dish" in English, depending on context.
Here, 'холодное' is used as an adjective, describing the noun 'мороженое' (ice cream), indicating its temperature.
Я люблю холодное мороженое.
I love cold ice cream.
'Холодное' functions as a substantive adjective here, replacing a noun to describe the room's condition, with an implied word like 'воздух' (air).
Зимой в комнате было холодное.
In winter, the room was cold.
In this context, 'холодное' acts as a metaphorical adjective, giving a figurative sense of the nature of the discussion, which could imply detachment or lack of enthusiasm.