1. a large extinct elephant with long curved tusks and thick hair

1. extremely large; huge

Examples

• Scientists discovered a frozen mammoth in Siberia.
• The museum displayed a complete mammoth skeleton.
• Mammoths lived during the Ice Age.
• The company faced a mammoth task of reorganizing.
• Building the bridge was a mammoth undertaking.
• She had a mammoth collection of vintage books.
• The mammoth corporation employed thousands of workers.