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Word of the Day Tuesday, June 9, 2026

momentous

/ˈmɒmənəs/ adjective · British & US
Valid in UKValid in US
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What does momentous mean?

adjective

Having great importance or significance; momentous decisions have a major impact on the future.

Example

"The company's decision to expand into new markets was a momentous one, marking a significant turning point in its history."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for momentous

Antonyms of momentous

Rhymes with momentous

Etymologically related