What is another word for keep cold?
Pronunciation: [kˈiːp kˈə͡ʊld] (IPA) 
One can use different synonyms for the phrase "keep cold" depending on the context or purpose of its usage. For instance, "chill" is a popular substitute for the phrase, especially regarding drinks or food items. In cases where the object being referred to needs to remain cool without freezing, one can use "refrigerate." "Store in a cool place" is another possible alternative, recommending a place with a temperature below the ambient, such as a cellar or a shady spot. "Lukewarm" is the opposite of "keep cold," and could mean keeping something at room temperature. Ultimately, the context would dictate which synonym to use.
