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DictionarymammothEnormous
adjective

mammoth

MAM-uhth/mˈæmʌθ/

Extremely large in size or scale.

The mammoth mining truck towers over the pickup.

A mammoth open-pit mining haul truck towers over a normal-sized pickup parked beside one of its enormous tires, making its extreme size immediately visible without depicting the extinct animal.
Etymology
mammot'Russianmammoth

The extinct giant animal's name broadened into a word for anything extremely large.

More examples

  • They undertake a mammoth repair project.
  • A mammoth crowd fills the square.

Forms

mammoth

Similar words

enormous
A general term for very great size.
colossal
Emphasizes unusually impressive scale.