inestimable

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/ɪˈnɛs.tɪ.mə.bəl/UK/ɪnˈɛstɪməbl/

adjective

Not able to be estimated; not able to be calculated, computed or comprehended, as because of great scale, degree or magnitude.

“The Voyager spacecraft explored the solar system and continued into the inestimable space beyond.”

Similar
incomputableimmeasurableincalculable
OriginMiddle French inestimable ← Latin inaestimābilis →
UncommonScrabble 15
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Meanings

adjectiveinestimable (not comparable)

alternative inæstimable

  1. not comparableNot able to be estimated; not able to be calculated, computed or comprehended, as because of great scale, degree or magnitude.

    The Voyager spacecraft explored the solar system and continued into the inestimable space beyond.

    1 more example

    He has refused to pass other Laws for the accommodation of large districts of people, unless those people would relinquish the right of Representation in the Legislature, a right inestimable to them and formidable to tyrants only.

    1776, United States Declaration of Independence
  2. not comparableVenerable, great.

    On my arrival hither I found a letter from the inestimable Mr. Wythe, by which he informs me that in consequence of a late act of our general assembly he remains the sole judge of the high court of chancery.

    1789, The Papers of Thomas Jefferson, Volume 15

Synonyms & antonyms

adjectivebeyond calculation or measure

Similar
incomputableimmeasurableincalculable
Also see
immeasurableincalculableincomputableinfiniteinvaluablepricelessunfathomableunvaluable

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Latininaestimābilis
  2. Middle Frenchinestimable
  3. Englishinestimable

From Middle French inestimable, from Latin inaestimābilis, from in (“un-”, “not”) + aestimābilis (“estimable”). Equivalent to in- + estimable.

More words from Middle French, Latin

Full word history & related roots →

Translations

Czech neocenitelný
  • neocenitelnýVenerable, great
Finnish mahdoton arvioida, mahdoton mitata
  • mahdoton arvioidaNot able to be estimated; not able to be calculated, computed or comprehended
  • mahdoton mitataNot able to be estimated; not able to be calculated, computed or comprehended
  • kunnianarvoisaVenerable, great
  • verratonVenerable, great
French inappréciable
  • inappréciableVenerable, great
German unschätzbar
  • unschätzbarVenerable, great
Latin impretiabilis
  • impretiabilisVenerable, great
Māori kāmehameha
  • kāmehamehaVenerable, great
Polish nieobliczalny, nieoceniony
  • nieobliczalnyNot able to be estimated; not able to be calculated, computed or comprehended
  • nieocenionyVenerable, great
  • bezcennyVenerable, great
  • drogocennyVenerable, great
Portuguese inestimável, inestimável
  • inestimávelNot able to be estimated; not able to be calculated, computed or comprehended
  • inestimávelVenerable, great
Spanish inestimable, inestimable
  • inestimableNot able to be estimated; not able to be calculated, computed or comprehended
  • inestimableVenerable, great
Swedish ovärderlig
  • ovärderligVenerable, great
Cite this entry
APA

inestimable. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/inestimable

MLA

“inestimable.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/inestimable. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “inestimable,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/inestimable.

Source: inestimable on Wiktionary, CC BY-SA 4.0.