EFFICACIOUS


Meaning of EFFICACIOUS in English

adjective Etymology: Latin efficac-, efficax, from efficere Date: 1528 having the power to produce a desired effect , see: effective ~ly adverb ~ness noun

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