Webster's Revised Unabridged Dictionary · 1913

Precious

Precious , adjective

[Old French precious, precius, precios, French précieux, Latin pretiosus, from pretium price, worth, value. See Price.]

1.
Of great price; costly; as, a precious stone.
The precious bane. — Milton
2.
Of great value or worth; very valuable; highly esteemed; dear; beloved; as, precious recollections.
She is more precious than rules. — Bible (KJV) - Proverb iii. 15
Many things which are most precious are neglected only because the value of them lieth hid. — Hooker

Also used ironically; as, a precious rascal.

3.
Particular; fastidious; overnice; overrefined. Compare Précieuse, Preciosity.
Lest that precious folk be with me wroth. — Chaucer
Elaborate embroidery of precious language. — Saintsbury
Collocations (2)
Precious metals , the uncommon and highly valuable metals, esp. gold and silver.
Precious stones , gems; jewels.