Main Entry: in·es·ti·ma·ble

Pronunciation: \(ˌ)i-ˈnes-tə-mə-bəl\

Function: adjective

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

Date: 14th century

1 : incapable of being estimated or computed <storms caused inestimable damage>
2 : too valuable or excellent to be measured or appreciated <has performed an inestimable service for his country>

— in·es·ti·ma·bly \-blē\ adverb