from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Of inestimable value; priceless.

from The Century Dictionary.

  • Above or beyond valuation; too valuable for exact estimate; inestimable.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Valuable beyond estimation; inestimable; priceless; precious.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective Of great value; costly, precious, priceless.
  • adjective Very useful.
  • adjective Beyond calculable or appraisable value; of inestimable worth

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective having incalculable monetary, intellectual, or spiritual worth


Sorry, no etymologies found.


  • PRIME MINISTER and has been very busy demanding what he calls our invaluable suffrages buttonholed me the other day outside the tripe shop and commenced to tell me all the wonderful things that we dogs would get if we only elected a strong Coalition Government -- better biscuits, larger kennels, equal rabbits for all and I don't know what else.

    Punch, or the London Charivari, Volume 156, January 22, 1919

  • The former were very profuse in their compliments and thanks for what they termed our invaluable assistance; having tendered which they manifested a disposition to resume their former status on board.

    The Rover's Secret A Tale of the Pirate Cays and Lagoons of Cuba

  • Attendees will learn about the latest issues facing the baby boomer market and gain invaluable insights by connecting with a broad spectrum of experts who have unique perspectives on the baby boomer generation.

    What’s Next? Boomer Business Summit (The Boomer Blog)

  • The entries often contain invaluable information concerning daily events, dates of composition, publication appearances and log entries from Jack and Charmian's various voyages.

    Two Into One: The Lives of Russ and Winnie Kingman

  • Several of Mark Twain’s books are bound to survive, because they contain invaluable social history.

    Mark Twain: The Licensed Jester

  • And Tib rises out of that little domestic struggle, covered with glory and crowned with respect; her price so infinitely beyond rubies, that "invaluable" is the only term that can be applied to her; and accordingly Dr. McNab, Mr. Malcolm, and the poor little suffering feverish Dagon himself, unanimously agree that she is invaluable; and the slight rustle of her voluminous silk gown, as she moves across the room to fetch the bottle of colchicum, with the soft slow heavy tread of the elephant, is music to her Dagon's ears.

    Stuart of Dunleath: A Story of Modern Times

  • You know, you have to understand that even the IG pointed out, these are tools that have been described as invaluable in the war on terror.

    CNN Transcript Mar 9, 2007

  • And it just -- the people gave me something that I find invaluable, which is hope and love and joy.

    CNN Transcript Mar 20, 2002

  • And it just -- the people gave me something that I find invaluable, which is hope and love and joy.

    CNN Transcript May 4, 2002

  • On an occasion like this it is natural also to recall the invaluable interest you have shown in Swedish literature, a token of friendship which, in turn, has found a response in the desire of our Swedish writers to translate your work.

    Nobel Prize in Literature 1966 - Presentation Speech


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