invaluable

American  

[in-val-yoo-uh-buhl] / ɪnˈvæl yu ə bəl /

adjective

1. beyond calculable or appraisable value; of inestimable worth; priceless.

   an invaluable art collection; her invaluable assistance.

   Synonyms:

   precious

   Antonyms:

   worthless

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invaluable British  

/ ɪnˈvæljʊəbəl /

adjective

1. having great value that is impossible to calculate; priceless

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Other Word Forms

• invaluableness noun
• invaluably adverb

Etymology

Origin of invaluable

First recorded in 1570–80; in- ³ + valuable, in obsolete sense “capable of valuation”

Example Sentences

Almost two years on, he said a new support service for people like him who are living with mesothelioma has been "invaluable" for him and his family in dealing with the diagnosis.

From BBC

Saka's ability to take contact from defenders that clatter into the back of him is something he has mastered in the safer environment of the right wing and is invaluable centrally.

From BBC

"We support Nimbus's continued efforts... Their input will be invaluable as we continue to evolve our approach."

From BBC

"Martins is the best ever at what he's done. His experience is invaluable."

From BBC

Mann writes that Glencore has an attractive copper portfolio, a strategically invaluable asset in this era of resource nationalism, and given Glencore’s relative discount rating it’s therefore an appealing investment proposition.

From MarketWatch

Related Words

• helpful
• valuable