The meaning of UNVALUABLE is invaluable.

Good care is invaluable during an acute period of cramping. Хороший уход неоценим во время острого периода спазмов.

There are three meanings listed in OED's entry for the adjective unvaluable, two of which are labelled obsolete. See 'Meaning & use' for definitions, usage, ...

Adjective. unvaluable (comparative more unvaluable, superlative most unvaluable) (rare) Not valuable; having little value. [ from 17th c.]

11 авг. 2006 г. · unvaluable- Not valuable; having little value. in·val·u·a·ble-Of inestimable value; priceless: invaluable paintings; invaluable help. Dictionary ...

unvaluable: Being above price; invaluable; priceless.

unvaluable. (ʌnˈvæljʊəbəl). adj. 1. not valuable; without value. 2. archaic invaluable; of incalculable value; priceless.

Примеры перевода, содержащие „unvaluable“ – Русско-английский словарь и система поиска по миллионам русских переводов.

Definitions from Wiktionary (unvaluable) ▸ adjective: (obsolete) Invaluable; beyond price. ▸ adjective: (rare) Not valuable; having little value.