[ in-es-tuh-muh-buh l ]
/ ɪnˈɛs tə mə bəl /


incapable of being estimated or assessed.
too large or great to be estimated or appreciated: The flood caused inestimable damage.
of incalculable value; valuable beyond measure; priceless: jewels of inestimable worth.


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Origin of inestimable

First recorded in 1350–1400; Middle English word from Latin word inaestimābilis. See in-3, estimable

OTHER WORDS FROM inestimable

in·es·ti·ma·bil·i·ty, in·es·ti·ma·ble·ness, nounin·es·ti·ma·bly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for inestimable

British Dictionary definitions for inestimable

/ (ɪnˈɛstɪməbəl) /


not able to be estimated; immeasurable
of immeasurable value

Derived forms of inestimable

inestimability or inestimableness, nouninestimably, adverb
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012