day by day

day by day

Daily. With house prices climbing day by day, I think we'll be able to sell for the price we want in a couple of months.
See also: by
Farlex Dictionary of Idioms.

day by day

On each successive day, daily, as in Day by day he's getting better. Percy Bysshe Shelley used this expression, first recorded in 1362, in Adonais (1821): "fear and grief ... consume us day by day."
See also: by
The American Heritage® Dictionary of Idioms by Christine Ammer.

day by ˈday

all the time; as the days pass: Day by day she grew more confident about the job.
See also: by
Farlex Partner Idioms Dictionary
See also:
  • just another day at the office
  • by the day
  • from day to day
  • make a day of (doing something)
  • make a day of doing
  • make a day of it
  • a red letter day
  • a red-letter day
  • day to day
  • day-to-day
References in classic literature
All his life he had been a toiler, and joy had been with him in the fierce combat which he had waged day by day. He had fought his battle and he had won - where were the fruits of his victory?