adjective Date: before 12th century marked by lack of proper caution ; careless of consequences, irresponsible , see: adventurous ~ly adverb ~ness noun
RECKLESS
Meaning of RECKLESS in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012