ASSIDUOUS


Meaning of ASSIDUOUS in English

adjective Etymology: Latin assiduus, from assidēre Date: 1622 marked by careful unremitting attention or persistent application , see: busy ~ly adverb ~ness noun

Merriam Webster. Explanatory English dictionary Merriam Webster.      Толковый словарь английского языка Мерриам-Уэбстер.