momentous

[ moh-men-tuhs ]
/ moʊˈmɛn təs /

adjective

of great or far-reaching importance or consequence: a momentous day.

Nearby words

  1. moment of truth,
  2. momentarily,
  3. momentary,
  4. momently,
  5. momento,
  6. momentum,
  7. momism,
  8. momma,
  9. momme,
  10. mommsen

Origin of momentous

First recorded in 1645–55; moment + -ous

Related forms
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for momentous


British Dictionary definitions for momentous

momentous

/ (məʊˈmɛntəs) /

adjective

of great significance
Derived Formsmomentously, adverbmomentousness, noun

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

Word Origin and History for momentous

momentous

adj.

1650s, from moment + -ous to carry the sense of "important" while momentary kept the meaning "of an instant of time." Related: Momentously; momentousness.

Online Etymology Dictionary, © 2010 Douglas Harper