I. adjective Date: 1560 lively , brisk , extraordinarily good ; splendid , ~ly adverb II. adverb Date: 1829 to an extreme degree ; very
RATTLING
Meaning of RATTLING in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012