Definitions for upsizeˈʌpˌsaɪz
Random House Webster's College Dictionary
up•sizeˈʌpˌsaɪz(v.i.; v.t.)-sized, -sizing.
to increase in size, as by hiring additional employees; expand:
to upsize a business.
Category: Common Vocabulary, Business
Origin of upsize:
To make larger or more numerous.
To become larger or more numerous; to change to something larger, such as a house.