adjective. ['gɑːrˈgæntʃuːən'] of great mass; huge and bulky.
Pronounce gargantuan as gɑrˈgænʧuən.
US - How to pronounce gargantuan in American English
UK - How to pronounce gargantuan in British English
1. Adjective Have you ever wondered how gargantuan cruise ships move through the waters from one port to the next?