adjective \mō-ˈmen-təs, mə-\

: very important : having great or lasting importance

Full Definition of MOMENTOUS

mo·men·tous·ly adverb
mo·men·tous·ness noun

Examples of MOMENTOUS

  1. My college graduation was a momentous day in my life.
  2. <a momentous occasion that will go down in the history books>

First Known Use of MOMENTOUS


Rhymes with MOMENTOUS


Next Word in the Dictionary: momentum
Previous Word in the Dictionary: moment of truth
All Words Near: momentous

Seen & Heard

What made you want to look up momentous? Please tell us where you read or heard it (including the quote, if possible).

Get Our Free Apps
Voice Search, Favorites,
Word of the Day, and More
Join Us on FB & Twitter
Get the Word of the Day and More