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.

“This is monumental for us,” says Alex Evans, the theater’s co-executive director.

From Los Angeles Times • Apr. 13, 2026

Finding a U.S. company to purchase Chemaf proved a monumental task.

From The Wall Street Journal • Mar. 31, 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

In the shadow of a tumultuous year, approximately one billion people worldwide tuned in to their flickering television sets to follow the monumental journey of Frank Borman, Jim Lovell and Bill Anders.

From Barron's • Mar. 25, 2026

I know it’s been said, but I'm a monumental idiot.

From "Simon vs. the Homo Sapiens Agenda" by Becky Albertalli

Vocabulary lists containing monumental

The Maze Runner

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!

Stargirl

Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!

Living Large: Synonyms for "Big"

Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!