Definition of invaluable in English:

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invaluable

Pronunciation: /inˈvaly(o͞o)əb(ə)l/

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.
Synonyms
indispensable, crucial, critical, key, vital, necessary, irreplaceable, all-important;
immeasurable, incalculable, inestimable, priceless

Derivatives

invaluableness

noun
Example sentences
  • The inventor has recognized the urgency and invaluableness and the many benefits it has to offer.
  • The invaluableness, the very fragility and fleetingness and incalculable preciousness of life!
  • One reason for Hotchkiss's invaluableness to Jackson was that the General was very nearsighted and somewhat deaf.

invaluably

Pronunciation: /inˈvaly(o͞o)əblē/
adverb
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.

For editors and proofreaders

Syllabification: in·val·u·a·ble

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