'day-to-day' definitions:

Definition of 'day-to-day'

From: WordNet
adjective
Of or belonging to or occurring every day; "daily routine"; "a daily paper" [syn: daily, day-to-day, day-by-day, day-after-day]

Definition of 'day-to-day'

From: GCIDE
  • day-to-day \day-to-day\ adj. occurring every day.
  • Syn: daily, day-after-day. [WordNet 1.5]