Meanings
comparative more monumentous · superlative most monumentous
- monumental; very large or important
... commencing a monumentous catalogue of the Hemiptera of the world ...
1910, Journal of Entomology and Zoology, Volume 2, Issue 2, page 233 more examples
... Finch Parsons, who almost single-handedly tackled the momentous and monumentous task of enlisting patrons; ...
1947, P&S '47: The Yearbook of The College of Physicians and Surgeons, Columbia UniversityIn order to remedy this lack of ability I suggest that the Dramatic Society and the Musical Clubs join their ranks to produce a truly great opera, a magnificent spectacle, a monumentous work.
1950 May, Joseph A. Appleyard, The StylusMr. Speaker, this last weekend on my return to my home district, the 20th Congressional District of Texas. Bexar County, Tex., also a very historical spot, the county of Bexar, or, as it is pronounced in Spanish, "Behar," has been the scene of some of the most monumentous and historical events in the history of our country.
1963 October 14, Henry B. González, Congressional Record — House - memorable or remarkable; worthy of recording or memorializing.
In 1935, a young LTJG Cecil H. Coggins, while working for the ONI, made a monumentous intelligence discovery.
1994, U.S. Department of the Navy, The Naval Criminal Investigative Service: To Protect and Serve2 more examples
He kept them to himself, however, and contented himself with remarking to the carpenter that he had never met with a more "monumentous episode."
1889, Sir Arthur Conan Doyle, The Firm of Girdlestone, New York: Lovell, Coryell & Co, →OCLC, page 339"On this here monumentous occasion, Mrs. Belloo," the sailor proceeded, "my shipmate, Dick, and me, mam, — respectfully beg the favour of saluting the bride; — Mrs. Belloo, by your leave — here's health, and happiness, mam!"
1911 October, Jeffrey Farnol, The Money Moon, New York: Dodd, Mead and Company, page 321
Origin
From monument + -ous. First attested in 1889, probably a new formation, comparable with Latin monumentosum, Portuguese monumentoso (“monumental”).
Full word history & related roots →Rhymes & wordplay
Anagrams
Cite this entry
monumentous. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/monumentous
“monumentous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/monumentous. Accessed November 3, 2026.
WatkinsX Dictionary, s.v. “monumentous,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/monumentous.
Source: monumentous on Wiktionary, CC BY-SA 4.0.