Definitions

from the GNU version of the Collaborative International Dictionary of English

  • adj. Invaluable; being beyond price.
  • adj. Not valuable; having little value.

from The Century Dictionary and Cyclopedia

  • Being above price; invaluable; priceless.
  • Valueless; worthless.

Etymologies

From un- +‎ valuable. (Wiktionary)

Examples

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