adjective Etymology: 1in- + value, verb + -able Date: 1576 valuable beyond estimation ; priceless , ~ness noun invaluably adverb
INVALUABLE
Meaning of INVALUABLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012