precious
Cross references:
1. costly
1. pre.cious \'presh-*s\ aj [ME, fr. OF precios, fr. L pretiosus, fr.
pretium price - m]ore at PRICE 1: of great value or high price 2: highly
esteemed or cherished 3: excessively refined : AFFECTED 4: GREAT,
THOROUGHGOING {~ scoundrel} - pre.cious.ly av
2. precious av : EXTREMELY, VERY
Webster's English Dictionary