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Synonyms

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

invaluable British  
/ ɪnˈvæljʊəbəl /

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He has a clear, unshakeable idea of how he wants to play football and at a club as chaotic as Tottenham right now, that kind of certainty is invaluable.

From BBC • Mar. 31, 2026

The teams got invaluable data — and some wonderful video too.

From Los Angeles Times • Mar. 31, 2026

That sense of closure is invaluable for people who have spent years worrying about the possibility of a recurrence.

From Slate • Mar. 29, 2026

Like the diary of Samuel Pepys or the memoirs of François-René de Chateaubriand, “Beloved Son Felix,” first published in 1840, is an invaluable and entertaining firsthand exploration of a bygone era.

From The Wall Street Journal • Mar. 26, 2026

Historians found them invaluable in expanding their knowledge of what types of large guns were aboard sixteenth-century warships.

From "Shipwrecked!" by Martin W. Sandler