adjective

• Extremely useful; indispensable.

  ‘an invaluable source of information’

  More example sentences

  • ‘Watch schemes are an invaluable source of grass root information and intelligence.’
  • ‘The work was then put on video and stored as an invaluable source of reference.’
  • ‘Certainly, Holinshed's work was an invaluable source for poets and dramatists at this time.’
  • ‘The thought of him will always be to us an invaluable source of encouragement and fortitude.’
  • ‘Thanks to the New England Journal of Medicine for this invaluable information.’
  • ‘The information could be invaluable if a giant comet ever threatened the Earth.’
  • ‘Coast Watchers and their indigenous helpers also organized an invaluable rescue service.’
  • ‘Sangh does not want to waste its invaluable time in abusing or criticizing others.’
  • ‘The knowledge and information they have been given will prove invaluable.’
  • ‘Carers see us as a lifeline and many professionals have said they find the carer support service invaluable.’
  • ‘We know from talking to companies that an experienced executive would be invaluable in this situation.’
  • ‘Few will agree with every opinion expressed by the Civic Trust, but we can all agree that its work is invaluable.’
  • ‘Cars can be rented locally, but if you want to get the most out of any experience, the services of a guide are invaluable.’
  • ‘To still have that type of player around the scene would be invaluable.’
  • ‘This has proved invaluable in solving every crime in which the perpetrator is attempting anonymity.’
  • ‘It is also an invaluable act of citizenship and is as diverse as society itself.’
  • ‘Dr Anderson said the meetings had given him an invaluable insight into the problems farmers had faced.’
  • ‘Mr Crump says the help he has received from Macmillan nurses is invaluable.’
  • ‘They both endorsed the course saying it had proved an invaluable learning curve before giving birth.’
  • ‘They were devoting much of their time to it and had received invaluable support from family and friends.’

  Synonyms

  indispensable, crucial, critical, key, vital, irreplaceable, extremely useful, extremely helpful, all-important, vitally important, of the utmost importance

  View synonyms