Synonyms of gargantuan in English:

gargantuan


See US English definition of gargantuan

See UK English definition of gargantuan

See Spanish definition of pantagruélico

adjective

1‘a gargantuan wedding cake’

SYNONYMS
enormous, extremely big, extremely large, massive, huge, colossal, vast, immense, cosmic, tremendous, gigantic, giant, monstrous, towering, mammoth, prodigious, elephantine, mountainous, mighty, monumental, epic, king-size, king-sized, titanic, Herculean, Brobdingnagian, substantial, hefty, weighty, bulky
informal whopping, whopping great, thumping, thumping great, humongous, mega, monster, jumbo, hulking, bumper
British informal whacking, whacking great, ginormous
ANTONYMS

tiny