- The definition of inestimable is something that cannot be measured or calculated.
An example of inestimable is the total number of books in the world.
Origin: OFr from Classical Latin inaestimabilis
- inestimably adverb
Used by arrangement with John Wiley & Sons, Inc.
- Impossible to estimate or compute: inestimable damage. See Synonyms at incalculable.
- Of immeasurable value or worth; invaluable: “shared all the inestimable advantages of being wealthy, good-looking, confident and intelligent” (Doris Kearns Goodwin).
- in·esˈti·ma·bly adverb