mammoth

nouns

any of numerous extinct elephants widely distributed in the Pleistocene; extremely large with hairy coats and long upcurved tusks
mammoth
is a member of
extinct genus: mammoths
Mammuthus, genus Mammuthus
is a type of (narrower)
five-toed pachyderm
elephant

adjectives

so exceedingly large or extensive as to suggest a giant or mammoth
"a gigantic redwood"; "gigantic disappointment"; "a mammoth ship"; "a mammoth multinational corporation"
gigantic, mammoth