1. relating or belonging to or serving as a monument;

   "the use of the arch in monumental architecture"
   "monumental sculptures"
   

2. of outstanding significance;

   "Einstein's monumental contributions to physics"
   

3. imposing in size or bulk or solidity;

   "massive oak doors"
   "Moore's massive sculptures"
   "the monolithic proportions of Stalinist architecture"
   "a monumental scale"
   

1.巨大的;极大的
You can usemonumental to emphasize the size or extent of something.

e.g. It had been amonumental blunder to give him the assignment.
当时把这项任务给他是大错特错了。
e.g. ...a series ofmonumental disappointments.
一连串的巨大失望

2.(书或音乐)丰碑式的，意义深远的，不朽的
If you describe a book or musical work asmonumental, you are emphasizing that it is very large and impressive, and is likely to be important for a long time.

e.g. ...hismonumental work on Chinese astronomy.
他关于中国天文学的不朽巨著

3.高大的;威严的
Amonumental building or sculpture is very large and impressive.

e.g. I take no real interest inmonumental sculpture.
我对高大的雕塑没什么兴趣。

1. monumental的反义词

1. 纪念碑的,即不朽的：12.This is amonumental moment for both of us. 这是我们的重要时刻 |monumental=纪念碑的,即不朽的 | 13.i'm not kidding around.我没有开玩笑

2. 纪念碑的：monument 纪念碑 |monumental 纪念碑的 |monumentalize 纪念

3. 极为庞大：monument 纪念碑 |monumental 极为庞大 | mood 心情

4. monumental什么意思

4. 非常规的：Louver 天窗 |monumental 非常规的 | metal spacer 金属隔片