monumental

[mon-yuh-men-tl] / ˌmɒn yəˈmɛn tl /

ADJECTIVE

impressive, overwhelming

Synonyms

STRONGEST

awesome enduring enormous fantastic gigantic grand great historic huge immense mammoth massive memorable significant towering tremendous unforgettable vast

WEAK

awe-inspiring classic immortal important lasting lofty majestic mighty mortal mountainous outstanding prodigious stupendous

Antonyms

STRONGEST

bad common dwarfed insignificant little miniature minor minute poor short small teeny tiny unimportant unimpressive

WEAK

trivial unimposing

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It would be that monumental of an upset.

From Los Angeles Times • Apr. 17, 2026

Pep Guardiola's side, looking to claw back the deficit, can increase the pressure when they host the leaders in a monumental fixture at Etihad Stadium on Sunday, 19 April.

From BBC • Apr. 11, 2026

Meet Mick Cronin’s nightmare, a 7-foot-3 indictment of his embattled program, a monumental mistake that has spent three weeks eating at the heart of even the most dedicated Bruin loyalists.

From Los Angeles Times • Apr. 7, 2026

The Portuguese design genius for mixing the pious with playfully overelaborated touches reaches its apotheosis at this Unesco World Heritage site—Portugal’s equivalent of France’s monumental Cathedral of Chartres.

From The Wall Street Journal • Mar. 27, 2026

So far the exposition’s publicity office had given the press a detailed list of monumental but dreary statistics.

From "The Devil in the White City" by Erik Larson

Vocabulary lists containing monumental

The Maze Runner

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