Synonyms of mammoth in English:

mammoth


See definition of mammoth

adjective

1‘a mammoth task’

SYNONYMS
huge, enormous, gigantic, giant, colossal, massive, vast, immense, mighty, stupendous, monumental, Herculean, epic, prodigious, mountainous, monstrous, titanic, towering, elephantine, king-sized, king-size, gargantuan, Brobdingnagian
informal mega, monster, whopping great, thumping, thumping great, humongous, jumbo, bumper, astronomical, astronomic
British informal whacking, whacking great, ginormous
ANTONYMS

tiny