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invaluable Line breaks: in|valu¦able
Pronunciation: /ɪnˈvaljʊ(ə)b(ə)l/

Definition of invaluable in English:


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


Pronunciation: /ɪnˈvaljʊəbli/
Example sentences
  • But Federer's right to tackle the task optimistically is underlined by the readiness of McEnroe, a superb champion who has become an invaluably cogent broadcaster on tennis, to identify strengths the Swiss has in common with Sampras.
  • Rather, they were invaluably aided by sermons that came from the pulpits of religious leaders who preached an obligation of obedience to the secular laws.
  • These, invaluably, flesh out the rather basic dance notations which have survived from the period, written in the Beauchamps/Feuillet system.
Definition of invaluable in:
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