Synonyms of momentous in English:

momentous

adjective

  • 1 a momentous decision
    important, significant, historic, portentous, critical, crucial, life-and-death, decisive, pivotal, consequential, of consequence, far-reaching, impactful, earth-shattering, earth-shaking
    formal of moment
    [Antonyms] insignificant
  • Definition of momentous in:

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    Word of the day flagitious
    Pronunciation: fləˈdʒɪʃəs
    adjective
    (of a person or their actions) criminal; villainous