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Synonyms

monumental

American  
[mon-yuh-men-tl] / ˌmɒn jəˈmɛn tl /

adjective

  1. resembling a monument; massive or imposing.

    Synonyms:
    colossal, immense
  2. exceptionally great, as in quantity, quality, extent, or degree.

    a monumental work.

  3. of historical or enduring significance.

    a monumental victory.

  4. Fine Arts. having the quality of being larger than life; of heroic scale.

  5. of or relating to a monument or monuments.

  6. serving as a monument.


monumental British  
/ ˌmɒnjʊˈmɛntəl /

adjective

  1. like a monument, esp in large size, endurance, or importance

    a monumental work of art

  2. of, relating to, or being a monument

  3. informal (intensifier)

    monumental stupidity

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of monumental

From the Late Latin word monumentālis, dating back to 1595–1605. See monument, -al 1

Explanation

Whether it's a monumental effort requiring vast amounts of strength or a monumental cruise ship with eleven floors and five sets of elevators, the word monumental describes something imposing or massive in size. Monumental can also refer to something that's of outstanding importance or significance. A monumental decision for you would be one that changes your life — like the day you got engaged or when you decided to move to New York to be an actor. The word monumental can also be used if you're talking about a monument, a statue or structure commemorating a person or event. You might admire the monumental stonework on the statue in the town square.

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Vocabulary lists containing monumental

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.

Fery will now turn his attention to an upset even more monumental than the last.

From BBC • Jul. 8, 2026

With only a handful of lyrics, she revisits a million lifetimes replete with monumental change and insights only an artist of her caliber could convey.

From Salon • Jul. 8, 2026

Bob Adelman’s photograph is a monumental record of an event that tapped into the most profound currents of American history, making it the emblematic image of the civil-rights movement.

From The Wall Street Journal • Jul. 1, 2026

Still, the increase in child-care support growth has been monumental for California’s early childhood landscape, said Fuller, who hopes the state takes time to evaluate the efforts.

From Los Angeles Times • Jul. 1, 2026

In order to feed the people who built and used the monumental structures, particularly large quantities of food were required.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari

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