monumental
UK /ˌmɒnjʊˈmɛntəl/ US /ˌmɒnjʊˈmɛntəl/
adj 4
Definitions
adj
1
In the manner of a monument.
2
Large, grand and imposing.
3
Taking a great amount of time and effort to complete.
Creating a complete map of the human connectome would therefore be a monumental milestone but not the end of the journey to understanding how our brains work.
a monumental task
4
Relating to monuments.
Monumental construction.
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