valuable

[val-yoo-uh-buh l, -yuh-buh l] /ˈvæl yu ə bəl, -yə bəl/
adjective
1.
having considerable monetary worth; costing or bringing a high price:
a valuable painting; a valuable crop.
2.
having qualities worthy of respect, admiration, or esteem:
a valuable friend.
3.
of considerable use, service, or importance:
valuable information.
noun
4.
Usually, valuables. articles of considerable value, as of personal property, especially those of relatively small size:
They locked their valuables in the hotel safe.
Origin
1580-90; value (v.) + -able
Related forms
valuableness, noun
valuably, adverb
nonvaluable, adjective
overvaluable, adjective
overvaluableness, noun
overvaluably, adverb
unvaluable, adjective
unvaluably, adverb
Synonyms
1, 3. Valuable, precious refer to that which has pecuniary or other value. Valuable applies to whatever has value, but especially to what has considerable monetary value or special usefulness, rarity, etc.: a valuable watch. That which is precious has a very high intrinsic value or is very dear for its own sake, associations, or the like: a precious jewel, friendship.
Antonyms
1–3. worthless.
Examples from the web for valuable
  • The substance that made them so valuable to whalers is now understood to play an important role in communication.
  • All that makes existence valuable to any one, depends on the enforcement of restraints upon the actions of other people.
  • Expressions so redolent of the laboratory are as well left alone unless the metaphor they suggest is really valuable.
  • The mystical experience is supposed to be valuable because it is a pleasant state of unique intensity.
  • Some one mentioned in my hearing that malachite was a valuable marble.
  • New valuable ideas, new valuable works are circulating in the place of our old dreamy and romantic authors.
  • It had lately suffered the loss of several thousand dollars, two valuable horses, and a prominent citizen.
  • Silver is less valuable than gold, gold than virtue.
  • It is highly valuable, instead, because a reader has scribbled in the margins of its pages.
  • The animals are hunted largely for their fur, which has become more valuable as new markets have opened.
British Dictionary definitions for valuable

valuable

/ˈvæljʊəbəl/
adjective
1.
having considerable monetary worth
2.
of considerable importance or quality: a valuable friend, valuable information
3.
able to be valued
noun
4.
(usually pl) a valuable article of personal property, esp jewellery
Derived Forms
valuableness, noun
valuably, adverb
Word Origin and History for valuable
adj.

1580s, from value (v.) + -able. As a noun, "a valuable thing," from 1775 (in modern use often in plural).