Definition of crucial in English:

adjective

• 1Decisive or critical, especially in the success or failure of something.

  ‘negotiations were at a crucial stage’

  More example sentences

  • ‘Bad management and bad cost control will be crucial in deciding success or failure.’
  • ‘We have reached a crucial stage and now tenants and residents will begin to see real improvements on their estate.’
  • ‘His appointment comes at a crucial stage in this long-running drugs war.’
  • ‘Ambitious plans to complete a town centre pedestrianisation zone have reached a crucial stage.’
  • ‘The committee is asking for continued support as we are at a crucial stage in the campaign.’
  • ‘His error was made at a crucial stage in the match but he couldn't deny the funny side.’
  • ‘A near doubling of the share values would be a crucial factor in any decision that is made.’
  • ‘Williams now faces a crucial decision as to which direction he takes his career.’
  • ‘The decision on where to film was crucial to the success of the dramas.’
  • ‘This could mean that wrong decisions are made at crucial moments - and these cannot be reversed.’
  • ‘The chemistry so crucial to the success of any screen romance is absent.’
  • ‘I see the next 18 months as crucial to the long-term development of the game.’
  • ‘We do appear to be at a crucial juncture, to say the least.’
  • ‘Ultimately, these incidents probably did not prove crucial to the outcome.’
  • ‘God knew all logic flew out the window that crucial moment.’
  • ‘Coach Gary Moorby was particularly pleased with this crucial factor in the Cougar victory.’
  • ‘A crucial factor in the rise was the growing number of women who smoke.’
  • ‘There are no elements more important than others, but timing is crucial.’
  • ‘Watson believes conceding a goal so early on Tuesday was crucial to the outcome.’
  • ‘Certainly, Conroy's interventions were crucial to the outcome of the game.’

  Synonyms

  pivotal, critical, key, climacteric, decisive, deciding, determining, settling, testing, trying, searching

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  1. 1.1Of great importance.
     ‘this game is crucial to our survival’
     More example sentences

     • ‘If you want to lose weight, it is crucial to maintain low insulin levels.’
     • ‘It is crucial to keep your head covered when running outside in winter.’
     • ‘Only 15 percent mentioned domestic policies as being most crucial to them.’
     • ‘I make no apologies for this because it is absolutely crucial to the future economic success of the nation.’
     • ‘One crucial element of the luxury shopping experience is the service and setting.’
     • ‘Once he understands that crucial difference, he should get off to a good start.’
     • ‘Participation by trustees is crucial to their understanding of the issues before the board.’
     • ‘Since variation was the essence of evolution, it was crucial to understand its nature.’
     • ‘All low-carb foods are not created equal, and it's crucial to understand the differences.’
     • ‘Improved road links are crucial to developments in Pembroke Dock and the Angle peninsula.’
     • ‘Monitoring blood lipids is crucial to ensure that the diet is having the desired effect.’
     • ‘Solidarity through donations is crucial to ensure the strike does not fail through lack of money.’
     • ‘All the time, it is crucial to remember that we are never alone.’
     • ‘Insight, understanding and enjoyment are the keys to making newspapers crucial.’
     • ‘Finding species that are unknown to science is crucial to their continued survival, he says.’
     • ‘Strategies for effective communication and involvement are crucial at this stage.’
     • ‘For, low as this may seem, the most crucial industries had been successfully moved.’
     • ‘He was singled out by the judge for stinging criticism, and accused of removing crucial evidence.’
     • ‘Everyone was aware that those games weren't crucial, and it was just the group stage.’
     • ‘Sesame is great for iron, a crucial mineral for maintaining vital energy levels.’
     Synonyms

     very important, of the utmost importance, of great consequence, of the essence, critical, high-priority, pre-eminent, paramount, all-important, essential, vital, vitally important, indispensable, mandatory, urgent, pressing, compelling, necessary, needed, required, requisite

     View synonyms
  2. 1.2informal Excellent.
     ‘That's crucial man, so please keep doing your thing!’
     ‘In fact, it's so totally crucial I wanna hear more.’
     Synonyms

     excellent, wonderful, marvellous, magnificent, superb, splendid, glorious, sublime, lovely, delightful, first-class, first-rate, outstanding

     View synonyms