pricelessness Definition

priceless
adj

1. Too valuable to have a price; inestimably precious.

Thesaurus: valuable, precious, invaluable, inestimable, expensive, costly, dear, beyond price, irreplaceable, rare, treasured, without price, incalculable, prized, rich; Antonym: cheap, run-of-the-mill.
2. colloq
Hilariously funny.

Derivative: pricelessly
adverb

Derivative: pricelessness
noun