Definition of “supersize” - English Dictionary

“supersize” in British English

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supersizeadjective [ before noun ]

uk /ˈsuː.pə.saɪz/ us /ˈsuː.pɚ.saɪz/ US

supersizeverb

uk /ˈsuː.pə.saɪz/ us /ˈsuː.pɚ.saɪz/ US
supersizing
noun [ U ] uk /ˈsuː.pə.saɪ.zɪŋ/ us /ˈsuː.pɚ.saɪ.zɪŋ/ informal

(Definition of “supersize” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“supersize” in Business English

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supersizeadjective [ before noun ]

uk /ˈsuːpəsaɪz/ us /-pɚ-/ US

→  supersized

supersizeverb

uk /ˈsuːpəsaɪz/ us /-pɚ-/ US

[ T ] to make something become much larger in size:

Researchers have succeeded in supersizing some fruits.

[ I or T ] COMMERCE to serve the largest size or quantity of food or drink that is available in a fast food restaurant:

Fast-food outlets are being discouraged from supersizing their portions.

(Definition of “supersize” from the Cambridge Business English Dictionary © Cambridge University Press)