The adj precious has 3 senses (first 2 from tagged texts)
1. (7) cherished, precious, treasured, wanted -- (characterized by feeling or showing fond affection for; "a cherished friend"; "children are precious"; "a treasured heirloom"; "so good to feel wanted")
2. (3) precious -- (of high worth or cost; "diamonds, sapphires, rubies, and emeralds are precious stones")
3. cute, precious -- (obviously contrived to charm; "an insufferably precious performance"; "a child with intolerably cute mannerisms")
Overview of adv precious
The adv precious has 1 sense (no senses from tagged texts)
1. precious, preciously -- (extremely; "there is precious little time left")