valuable

Universal Words adjective 1 ~ (to sb/sth) very useful or important: a valuable experience / resource / tool / insight * The book provides valuable information on recent trends. * This advice was to prove valuable. * Spinach is a valuable source of iron. 2 worth a lot of money: valuable antiques / jewellery * My home is my most valuable asset. OPPVALUELESS, WORTHLESS compareINVALUABLE, PRICELESS