All-in-one is a popular phrase used to describe something that has multiple functions or features in a single unit. Synonyms for all-in-one include multi-functional, versatile, universal, comprehensive, complete, inclusive, integrated, and unified. These words convey the same meaning as all-in-one and can be used interchangeably depending on the context. For instance, a multi-functional printer can print, scan, copy and fax whereas a versatile device can perform multiple tasks efficiently. An inclusive package may have everything you need in one purchase, while an integrated system combines different aspects into a single unit. Whatever the case, these synonyms for all-in-one provide descriptions that allow you to be more precise in defining the features and functions of a specific item.