- 1extremely valuable or important a priceless collection of antiques priceless information Our family photos are priceless. Thesaurusvaluable
- precious
- priceless
- irreplaceable
- valuable worth a lot of money:The thieves took three pieces of valuable jewelry.
- precious rare and worth a lot of money; loved or valued very much:a precious Chinese vase, valued at half a million dollars precious memories of our time together
- priceless extremely valuable; loved or valued very much:a priceless collection of antiques
- irreplaceable too valuable or special to be replaced
- valuable/precious/priceless/irreplaceable possessions
- valuable/precious/priceless antiques/jewels/jewelry
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- 2(informal) extremely amusing You should have seen his face—it was priceless!
Check pronunciation: priceless