Generally not comparable; comparative and superlative forms are rare and nonstandard.
Übersetzungen
The museum has a priceless collection of ancient artifacts.
В музее есть бесценная коллекция древних артефактов.
Zusätzliche Übersetzungen
Definitionen
So precious that its value cannot be determined or is beyond monetary value. The museum displayed a priceless artifact from ancient Egypt.
Extremely amusing or funny. Her reaction to the surprise party was absolutely priceless.