1. the quality or state of being invaluable or beyond monetary value
Usage: abstract noun; typically used in formal or literary contexts
2. the quality of being extremely amusing or ridiculous in an unintentional way
Usage: informal; often used to describe something absurdly funny or absurd

Examples

• The pricelessness of family memories cannot be measured in dollars.
• She recognized the pricelessness of the antique manuscript in the museum's collection.
• The pricelessness of his confused expression when he realized his mistake made everyone laugh.
• Their friendship had a pricelessness that transcended material wealth.
• The pricelessness of clean water and fresh air became apparent during the environmental crisis.
• His attempt to fix the computer resulted in such pricelessness that we couldn't stop giggling.