define valuable synonyms
See more synonyms on Thesaurus.com. 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 Expand.