Definition of momentous in English:

adjective

• Of great importance or significance, especially in having a bearing on future events.

  ‘a period of momentous changes in East–West relations’

  ‘a momentous decision’

  More example sentences

  • ‘The prospect of a single currency may present this country with one of the most momentous decisions in its history.’
  • ‘It was just after I sat my finals at art college in 1962 that a series of momentous events occurred.’
  • ‘After the momentous events of 1953 the men from the expedition shared a rare friendship.’
  • ‘It was described by visitors as a memorable event to celebrate a momentous occasion.’
  • ‘This would be my mother's first grandchild - a momentous event in any family.’
  • ‘The judge acknowledged he was making a momentous decision, and few would have wished to take his place.’
  • ‘I am only too aware of my own limitations in making so momentous a decision.’
  • ‘Committing troops to battle is the most momentous decision any Prime Minister can make.’
  • ‘If the group's words are borne out by verified actions, it will be a momentous and historic development.’
  • ‘One way or another, it is promising to be a momentous week in the history of York City Football Club.’
  • ‘At momentous times in the history of the nation we look for guidance from our leaders.’
  • ‘Within a day of arriving we felt so relaxed that the most momentous decision we faced was deciding where to eat.’
  • ‘People do not make momentous decisions like these by trying to predict how much pleasure each choice might bring them.’
  • ‘The strategic results of his audacious decision were momentous and did much to shape the war in this region.’
  • ‘It was without doubt a momentous occasion and one of the most significant developments in Laois.’
  • ‘It neither comprehends nor anticipates the momentous consequences of its actions.’
  • ‘The effects of such a response could be experienced as momentous and far reaching.’
  • ‘It may be no stretch to say that the win could go down as a momentous one in the annals of United's history.’
  • ‘For the dedicated runner, a more perfect start to this momentous week could not be imagined.’
  • ‘He is right to say that this is the most momentous election of our lifetimes.’

  Synonyms

  important, significant, epoch-making, historic, apocalyptic, headline, fateful, portentous, critical, crucial, vital, life-and-death, decisive, pivotal, serious, grave, weighty, consequential, big, great, far-reaching, life-changing, of importance, of moment, of significance, of consequence

  View synonyms