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invaluable

/ɪnˈvælju(ə)bl̩/ adjective

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

  1. Having great or incalculable value.
  2. Not valuable; valueless; worthless.

Origin

From in- + valuable (compare priceless). Piecewise doublet of unvaluable.

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