momentous Meaning in the Cambridge English Dictionary
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Meaning of “momentous” in the English Dictionary

"momentous" in British English

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uk   /məˈmen.təs/  us   /-t̬əs/
very ​important because of ​effects on ​futureevents: the momentous ​news of the president's ​death Whether or not to ​moveoverseas was a momentous decision for the ​family.
adverb uk   us   /-li/
noun [U] uk   us   /-nəs/
(Definition of momentous from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"momentous" in American English

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 us   /moʊˈmen·təs/
very ​important, esp. because of the ​effects on ​futureevents: a momentous ​decision/​event
(Definition of momentous from the Cambridge Academic Content Dictionary © Cambridge University Press)
Translations of “momentous”
in Chinese (Simplified) 重大的,重要的…
in Turkish çok önemli, son derece ciddi…
in Russian важнейший, торжественный…
in Chinese (Traditional) 重大的,重要的…
in Polish doniosły…
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