invaluable
Americanadjective
adjective
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”
Explanation
If you're robbed, much of what is stolen can be replaced. All you need is the cash value of what was lost. But some things––family photos, heirloom jewelry––are invaluable, meaning extremely valuable, or priceless. At first glance, you would think that invaluable means "not valuable." But to understand its meaning, you'd have to know that it was formed from the prefix in- "not" plus the verb value, plus the suffix –able "able to be." So something invaluable has such great value that its value can't be calculated.
Vocabulary lists containing invaluable
Mandela's Nobel Peace Prize Acceptance Address
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
The Miraculous Journey of Edward Tulane
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
The Magic Fish
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
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.
The Artemis II astronauts conducted a historic lunar flyby, gathered invaluable data and took in unprecedented Moon views, but one of the most crucial moments of their 10-day mission is still to come: Friday's splashdown.
From Barron's • Apr. 10, 2026
She describes having midwives on set as "invaluable" but she also had conversations with women in her own life, many of whom had experienced pregnancy loss.
From BBC • Mar. 29, 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
They have also been an invaluable source when a star dies — an “ET” tribute to comic Bob Newhart was nominated for a Daytime Emmy Award.
From Los Angeles Times • Mar. 23, 2026
I shall write Dr. Westminster separately to thank him; his animal training techniques have so far proven invaluable.
From "The Incorrigible Children of Ashton Place: Book I: The Mysterious Howling" by Maryrose Wood
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
