momentous — Having great importance or significance, especially in having a major impact on future events or historical development.
Part of speech: ADJECTIVE
Definition: Having great importance or significance, especially in having a major impact on future events or historical development.
Pronunciation (IPA): /moʊˈmentəs/
Example Sentences
- Getting married was the most momentous decision of my life, right after choosing pizza toppings.
- The discovery of penicillin was a momentous breakthrough in medical history.
- For a teenager, choosing a college major feels like a momentous life-or-death decision.
momentous
ADJECTIVE[/moʊˈmentəs/]
Having great importance or significance, especially in having a major impact on future events or historical development.

Having great importance or significance, especially in having a major impact on future events or historical development.

Momentous truth seeps through lies enormous and porous!
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🎤Pronunciation
🌳Etymology
Origin
From Latin 'momentum' meaning movement or motion. The word evolved to describe events that carry great force and significance, like a massive boulder that once set in motion can change the landscape.
Breakdown
moment- (movement, driving force) + -ous (adjective suffix meaning 'full of' or 'characterized by')
🎵Rhyme
📝Examples
“Getting married was the most momentous decision of my life, right after choosing pizza toppings.”
“The discovery of penicillin was a momentous breakthrough in medical history.”
“For a teenager, choosing a college major feels like a momentous life-or-death decision.”
“The company's IPO was a momentous milestone that changed everything.”
📚Related Words
Synonyms
Antonyms
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