Occurring on a routine or daily basis: the day-to-day movements of the stock market. (adjective)
Subsisting one day at a time with little regard for the future: lived a day-to-day existence. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "day-to-day" in a sentence
"He pursued rock music, motorcycles and drugs and lived what he described as a "day-to-day existence" until the new millennium."
"Where the real work of making a car company successful suddenly turns complex, and where the winners are separated from the losers, is in the long-cycle product development process, where short-term day-to-day metrics and the tabulation of results are meaningless."
"In a way, they were fortunate in that their long isolation from each other meant that there were no short-term day-to-day issues between them."