adjective Date: 1825 not rigorously fixed: as, adaptable to the developing needs of a situation, permitting or designed to permit spontaneous and unguided responses, ~ness noun
OPEN-ENDED
Meaning of OPEN-ENDED in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012