supersize
adjective [ before noun ]
US uk/ˈsuːpəsaɪz/ us/-pɚ-/→ supersized
supersize
verb
US uk/ˈsuːpəsaɪz/ us/-pɚ-/ [ 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.