An example of inestimable is the total number of books in the world.
Origin of inestimableOld French from Classical Latin inaestimabilis
- 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 )
From Middle French inestimable, from Latin inaestimābilis, from in (“un-”, “not”) + aestimābilis (“estimable”).