Simple Definition of inestimable
: too great, valuable, or excellent to be measured
Full Definition of inestimable
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>
Examples of inestimable
He has made inestimable contributions to our society.
<Einstein's inestimable contributions to science.>
Origin of inestimable
Middle English, from Middle French, from Latin inaestimabilis, from in- + aestimabilis estimable
First Known Use: 14th century
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