to become gradually fewer or smaller; to disappear :
His supporters fell away as his popularity declined.
The market for their products fell away to almost nothing.
All our doubts fell away.
The houses fell away as we left the city.
to become gradually fewer or smaller; to disappear :
His supporters fell away as his popularity declined.
The market for their products fell away to almost nothing.
All our doubts fell away.
The houses fell away as we left the city.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005