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monumental

1 ENTRIES FOUND:
monumental /ˌmɑːnjəˈmɛntl̟/ adjective
monumental
/ˌmɑːnjəˈmɛntl̟/
adjective
Britannica Dictionary definition of MONUMENTAL
: very important
: very great or extreme
always used before a noun : of or relating to a monument

— monumentally

adverb