In transitive terms the difference between upsize and supersize
is that upsize is to make larger or more numerous while supersize is to increase the size of something, especially to unusual proportions.
upsize
English
Verb
(upsiz)
To make larger or more numerous.
To become larger or more numerous; to change to something larger, such as a house.
Antonyms
* downsize
Related terms
* rightsize
Anagrams
* supersize
English
Verb
To increase the size of something, especially to unusual proportions