From Longman Dictionary of Contemporary Englishpricelessprice‧less /ˈpraɪsləs/ ●○○ adjective 1 VALUEextremely valuable priceless antiques► see thesaurus at valuable2 IMPORTANTa quality or skill that is priceless is extremely important or useful The ability to motivate people is a priceless asset.3 informalFUNNY extremely funny or silly The look on his face was priceless.
Examples from the Corpus
priceless• There were moments in the movie that were just priceless.• If job-search skills were valuable, work-search skills are going to be priceless.• To Jane, though, it was precious and priceless and she wore it always.• The house was full of priceless antiques.• Nature, the master manager of complexity, offers priceless guidance in handling messy, counterintuitive webs.• The tablet gives us priceless knowledge about civilization 3,500 years ago.• a priceless oil painting• Reagan's aptitude in front of the television camera, his ability to project a positive image, has been a priceless political asset.• His notes, which were not published until after his death, constitute the most complete and priceless record of the Convention.• But how to tap this priceless resource?• The priceless tapestry was unharmed, nothing was taken off the altar, nothing was moved or misplaced that he could see.• To safeguard the priceless treasures they work with Barley studios have no signs at the door ... they don't advertise.• priceless works of artFrom Longman Business Dictionarypricelessprice‧less /ˈpraɪsləs/ adjective1so valuable that it is impossible to give a financial valuepriceless works of art2if a quality, skill, or improvement is priceless, it is extremely important or usefulThe ability to motivate people is a priceless asset. 