IPA: /ˌmʌltiˈfʌŋkʃənl/
KK: /mʌltiˈfʌŋkʃənl/
Having more than one purpose or function.
The new smartphone is multifunctional, allowing users to make calls, take photos, and browse the internet.
Multifunctional → It is formed from "multi-" (meaning many) and "function" (from Latin "functio", meaning performance or execution) and the suffix "-al" (meaning relating to). The word "multifunctional" describes something that relates to many functions or purposes.
Think of 'many' ('multi-') tasks or roles that something can perform ('function') — that's why multifunctional means having many functions.