adjective Date: 1653 not subject to being set aside or neglected , absolutely necessary ; essential , indispensability noun ~ noun ~ness noun indispensably adverb
INDISPENSABLE
Meaning of INDISPENSABLE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012