/ˌmɑnəˈmentəl/ MA-nə-MENT-əl

Definitions

1. adjective

extremely large or impressive in size, scope, or effect; extremely significant or important

“The new skyscraper was a monumental addition to the city’s skyline.”

2. noun

a building or structure erected to commemorate a famous person or event

“The ancient monument stood as a testament to the ingenuity of the long-lost civilization.”