inestimable

adjective in·es·ti·ma·ble \(ˌ)i-ˈnes-tə-mə-bəl\

: too great, valuable, or excellent to be measured

Full Definition of INESTIMABLE

: incapable of being estimated or computed <storms caused inestimable damage>

: too valuable or excellent to be measured or appreciated <has performed an inestimable service for his country>

— in·es·ti·ma·bly \-blē\ adverb

See inestimable defined for English-language learners

See inestimable defined for kids

Middle English, from Middle French, from Latin inaestimabilis, from in- + aestimabilis estimable

First Known Use: 14th century

Next Word in the Dictionary: ineuphoniousPrevious Word in the Dictionary: inestimabilityAll Words Near: inestimable

What made you want to look up inestimable? Please tell us where you read or heard it (including the quote, if possible).

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears