- great in importance, extent, or size；of or serving as a monument
- 1. great in importance, extent, or size it's been a monumental effort 同義詞
- 2. of or serving as a monument additional details are found in monumental inscriptions 同義詞
- a person who makes tombstones and similar items.
- great in importance, extent, or size: it's been a monumental effort the ballet came across as one of MacMillan's most monumental works
Oxford American Dictionary