Added 9 October 2026 cooler /ˈkuː.lə(ɹ)/ noun Categories: ThingsFood & DrinkUncommon Words noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about cooler at Wordnik → Where our words come from → A refrigerator for cooling liquids. An iced drink especially white wine and fruit juice. A cell for violent prisoners. Related Words: tankcoldicefridgerefrigerantrefrigeratorfreezerchillercoolanticeboxcondenser Back to today's word