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momentous

[ moh-men-tuhs ]
/ moʊˈmɛn təs /
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See synonyms for: momentous / momentousness on Thesaurus.com

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

First recorded in 1645–55; moment + -ous

synonym study for momentous

See heavy.

OTHER WORDS FROM momentous

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use momentous in a sentence

British Dictionary definitions for momentous

momentous
/ (məʊˈmɛntəs) /

adjective
of great significance

Derived forms of momentous

momentously, 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
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