invaluable

[in-val-yoo-uh-buhl]

adjective

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

   an invaluable art collection; her invaluable assistance.

   Synonyms: precious
   Antonyms: worthless

invaluable

/ ɪnˈvæljʊəbəl /

adjective

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

Other Word Forms

• invaluableness noun
• invaluably adverb

Word History and Origins

Origin of invaluable¹

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

Example Sentences

Opera’s invaluable source for progressive and unexpected new work, tends to go in for blatant amplification.

Read more on Los Angeles Times

"Thank you also to our communities for following our key safety guidance and for respecting our staff. Their support is invaluable in allowing us to be there for those who need our help the most."

Read more on BBC

That experience may prove invaluable as Scotland seek out that first ever win.

Read more on Barron's

They should remember the invaluable lesson of treating conflict as an opportunity to get attention, rather than something to run away from due to the fear of alienating jumpy donors.

Read more on Salon

Men from neighbouring villages rushed over to help, which was invaluable – but not enough.

Read more on BBC

Related Words

• helpful 
• valuable