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

He says Benjamin Brooks-Dutton's best-selling book - It's Not Raining Daddy, It's Happy - offers an invaluable insight into the new reality of living without your partner while supporting and looking after young children.

From BBC

However, he then added: "When you have 20 and 21-year-olds and a player who is 30 or 31, and he starts to say something to them, it's invaluable. But it's the strategy of the club."

From BBC

The attitude toward in-person collaboration is growing and 25 years from now, counterintuitively, I believe face-to-face connection won’t just be indispensable, but invaluable.

From The Wall Street Journal

Yet White, a former city planner for the city of Pasadena, had experience that was invaluable for the reconstruction effort.

From Los Angeles Times

Buffett’s annual letters have passed on invaluable wisdom about investing and life.

From The Wall Street Journal

Related Words

• helpful
• valuable