With respect to learning definitions of words for language alone, I wonder if reading books accompanied with a dictionary would be a more sustainable approach.

With respect to learning definitions of words for language alone, I wonder if reading books accompanied with a dictionary would be a more sustainable approach. I see two immediate comparative benefits - Only very few have the temperament and external motivation to practice with SRS. - Learning by reading texts reinforces vocabulary at exactly the right strength: you learn the more common words sooner.