/,mɒnjʊ'mentl; ,mɑnjə`mɛntl/
adj
1 [attrib 作定语] of, related to or serving as a monument 纪念物的; 用作纪念的
*a monumental inscription, ie inscribed on a monument 碑铭
* monumental brasses, sculptures, figures, etc 有纪念意义的黄铜纪念牌、雕塑物、塑像等.
2 [attrib 作定语] (of buildings, sculptures, etc) very large and impressive （指建筑物、雕塑等）巨大而了不起的
*a monumental arch, column, facade, etc 雄伟的拱形牌坊、纪念柱、外观等.
3 [usu attrib 通常作定语] (of a literary or musical work) large and of lastingvalue （指文学或音乐作品）伟大而不朽的
*a monumental production 伟大不朽的作品.
4 [usu attrib 通常作定语] exceptionally great 极大的
*a monumental achievement, success, blunder, failure, etc 极大的成就、成功、错误、失败等
* What monumental ignorance! 真是无知之极!

adj
[usually before noun]
a monumental achievement, piece of work, etc is very important and is usually based on many years of work
　a monumental contribution to the field of medicine
　Charles Darwin's monumental study, 'The Origin of Species'
[only before noun]
extremely large, bad, good, impressive etc
　Banks and building societies were yesterday accused of monumental incompetence.
　a monumental task
　There was a monumental traffic jam on the freeway.
[only before noun]
relating to a monument or built as a monument
　a monumental arch