valuable

definition: having great material or monetary value, especially for use or exchange
example: Their book collection was extremely valuable.
speech part: adjective
synonyms:
definition: having worth, merit, or value
example: I've always found you to be a valuable friend.
speech part: adjective
synonyms:
definition: something of value
example: All our valuables were stolen.
speech part: noun
synonyms:

valuable is explained and pronounced

How valuable is being used?