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

"Their input has been invaluable in answering many difficult questions on behalf of the families," the statement added.

From BBC

Chief Operating Officer and interim CEO Mark Hill said Cai brings deep financial expertise and decades of mining sector experience that will be invaluable as Barrick focuses on driving improved performance and shareholder value.

From The Wall Street Journal

The Rams’ resiliency will prove invaluable against Seattle and New England when they win Super Bowl LX for their second championship in five years.

From Los Angeles Times

An authority spokesman said Chen and other wildfire victims’ perspectives were “invaluable” to officials as they complete the study that is due April 1.

From Los Angeles Times

And despite its ubiquity and invaluably additive contribution to cinema and frequent artistic glory, it has suffered from this lack of attention, of sufficient appreciation.

From Los Angeles Times

Related Words

• helpful
• valuable