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Synonyms

monumental

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

  • monumentalism noun
  • monumentality noun
  • monumentally adverb
  • premonumental adjective
  • unmonumental adjective

Etymology

Origin of monumental

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

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.

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

If achieved, that would be a monumental feat.

From MarketWatch • Mar. 17, 2026

Nothing about Julia Loktev’s monumental project is a comfortable watch.

From Los Angeles Times • Mar. 10, 2026

In the last room, a crescendo of monumental full portraits, the atmosphere is symphonic.

From The Wall Street Journal • Mar. 4, 2026

“Wow,” he said, feeling dumb at such a monumental understatement.

From "The Maze Runner" by James Dashner

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.