Definition of "Precious" :

adjective: obviously contrived to charm

"An insufferably precious performance."

adjective: characterized by feeling or showing fond affection for

"Children are precious."

adjective: of high worth or cost

"Diamonds, sapphires, rubies, and emeralds are precious stones."

adjective: held in great esteem for admirable qualities especially of an intrinsic nature

"Precious memories."

adverb: extremely

"There is precious little time left."