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Added 10 October 2026

inestimable

/ɪˈnɛs.tɪ.mə.bəl/ adjective

In Latin: impretiabilis Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about inestimable at Wordnik → Where our words come from →

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.
Venerable, great.

Origin

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

From Wiktionary, via Kaikki.org (CC BY-SA)

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