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Definition of coolbox
coolbox
/ˈkuːl.bɒks/
cool · box
Plural:coolboxes
coolbox Lexical Profile
CEFR
B1
Grade
4
Tier
2
Usage
Top 10k
coolbox Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• noun
1
British A portable, thermally insulated container used to keep food and beverages cold, usually with the addition of ice or frozen gel packs.
Example
"We packed the coolbox with sandwiches and chilled drinks before heading to the beach for the afternoon."
Synonyms
View all synonyms for coolboxWord Nuance & Usage
Primarily used in British English; the equivalent term in American English is 'cooler', while Australians commonly use 'esky' and New Zealanders use 'chilly bin'.
• Rhymes for coolbox
Word Origin & Etymology
A straightforward compound of the words 'cool' and 'box', popularized in the mid-20th century alongside the rise of recreational camping and picnics.
Cite this Entry
Wordmom. (2026). Definition of Coolbox. In Wordmom Dictionary. Retrieved Oct 16, 2026, from https://wordmom.com/dictionary/coolbox