any of numerous extinct elephants widely distributed in the Pleistocene; extremely large with hairy coats and long upcurved tusks
"Paleontologists unearthed a mammoth frozen in permafrost, revealing its massive hairy coat and impressive upcurved tusks."
Any species of the extinct genus Mammuthus, of large, usually hairy, elephant-like mammals with long curved tusks and an inclined back, which became extinct with the last retreat of ice age glaciers during the late Pleistocene period, and are known from fossils, frozen carcasses, and Paleolithic cave paintings found in North America and Eurasia.
"Paleontologists discovered a well-preserved mammoth frozen in the permafrost, providing rare insights into life before humans arrived."
Comparable to a mammoth in its size; very large, huge, gigantic.
"The construction of that new skyscraper seemed like a mammoth task given how many workers were needed just to lay the foundation."