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momentous

 - 2 dictionary results

mo⋅men⋅tous

  [moh-men-tuhs]
Use momentous in a Sentence
–adjective
of great or far-reaching importance or consequence: a momentous day.
Origin:
1645–55; moment + -ous

Related forms:
mo⋅men⋅tous⋅ly, adverb
mo⋅men⋅tous⋅ness, noun

Synonyms:
vital, critical, crucial, serious. See heavy.

Antonyms:
trivial, trifling.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To momentous
mo·men·tous   (mō-měn'təs)   
adj.  Of utmost importance; of outstanding significance or consequence: a momentous occasion; a momentous decision.
mo·men'tous·ly adv., mo·men'tous·ness n.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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