precious
adjective
characterized by feeling or showing fond affection for
“a cherished friend”
“children are precious”
of high worth or cost
“diamonds, sapphires, rubies, and emeralds are precious stones”
held in great esteem for admirable qualities especially of an intrinsic nature
“a valued friend”
“precious memories”
Synonymsvaluedobviously contrived to charm
“an insufferably precious performance”
“a child with intolerably cute mannerisms”
Synonymscute
adverb
extremely
“there is precious little time left”
Synonymspreciously
Source: WordNet 3.1, Princeton University
