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invaluable

play
adjective in·valu·able \(ˌ)in-ˈval-yə-bəl, -yə-wə-bəl, -yü(-ə)-bəl\

Simple Definition of invaluable

  • : extremely valuable or useful

Full Definition of invaluable

  1. :  valuable beyond estimation :  priceless <providing invaluable assistance>

in·valu·able·ness noun
in·valu·ably play \-blē\ adverb

Examples of invaluable

  1. Unfortunately, though, Sally does not respond to lithium, which has been invaluable for many patients with manic-depressive illness … —Oliver Sacks, New York Review of Books, 25 Sept. 2008

  2. I stayed there only a month or so but it was an invaluable experience … : that month's residence provided the inspiration for a novel I wrote much later, Sophie's Choice. —William Styron, This Quiet Dust and Other Writings, (1953) 1982

  3. … the scrolls provide an invaluable snapshot of at least one important strain in early Judaism—though they are by no means a complete record of Jewish belief at that time. —Jeremy Lott, Lingua Franca, February 2001

  4. Their help has been invaluable to us.

  5. <the list of likely donors proved to be invaluable to our fund-raising efforts>



Origin of invaluable

1in- + value, verb + -able


First Known Use: 1576



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