adjective🔗ShareSemi-précieuxSort of or somewhat precious or valuable. Usually used as part of the phrase semi-precious stones or semi-precious gems."My grandmother's collection included several semiprecious stones, small and beautiful, that she used in her jewelry designs. "La collection de ma grand-mère comprenait plusieurs pierres semi-précieuses, petites et belles, qu'elle utilisait dans ses créations de bijoux.materialgeologyvalueChat with AIVocabulary GamePractice Reading