Identify the most appropriate antonym of the given word.
Freezing

'Freezing' refers to an extreme state of cold (at or below the freezing point). Its most appropriate antonym here is 'tropical', which relates to a region or climate that is characteristically very hot and humid.
* Brisk: Cold but fresh and enlivening.
* Gnawing: Persistently worrying or biting.
* Summery: Suitable for or typical of summer (mildly warm), but 'tropical' represents the opposite extreme of heat and climate.