say it: gahr-GAN-choo-uhn
gargantuan is an adjective meaning "of great mass; huge and bulky". It is pronounced /ɡɑɹˈɡæntʃuən/ — gahr-GAN-choo-uhn. It carries one recorded sense.
Definitions, synonyms and semantic relations for gargantuan come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.