The original (and current) meaning of invaluable is "valuable beyond estimation"; the word describes something so precious that one cannot assign a price to it.

Valuable, precious refer to that which has monetary or other value. Valuable applies to whatever has value, but especially to what has considerable monetary value or special usefulness, rarity, etc.: a …

1. Having considerable monetary or material value for use or exchange: a valuable diamond. 2. Of great importance, use, or service: valuable information; valuable advice. 3. Having admirable or esteemed …

VALUABLE definition: 1. worth a lot of money: 2. Valuable information, advice, etc. is very helpful or important: 3…. Learn more.

If you describe something or someone as valuable, you mean that they are very useful and helpful. Many of our teachers also have valuable academic links with Heidelberg University. Here are a few …

Definition of valuable adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Valuable, precious refer to that which has pecuniary or other value. Valuable applies to whatever has value, but esp. to what has considerable monetary value or special usefulness, rarity, etc.: a valuable …

There are ten meanings listed in OED's entry for the word valuable, two of which are labelled obsolete. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

Definition of valuable. English dictionary and integrated thesaurus for learners, writers, teachers, and students with advanced, intermediate, and beginner levels.

Clean air is a valuable natural resource that needs to be protected. Please don't waste my time. My time is very valuable. Her love and support are extremely valuable to me.