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1. Daily; regularly occurring. And you will oversee the company's day-to-day operations while I'm traveling.
2. Current. Typically said of one who has little concern for the future. You need to stop focusing only on your day-to-day activities and think about where you want to go to school next year.
3. Subject to daily evaluation, as of an injured athlete. I hear that their first baseman is day-to-day with a pulled hamstring.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
day to day
Also, from day to day.
1. Continuously, without interruption, on a daily basis. For example, Running this office day to day is not an easy task. [Late 1800s]
2. live from day to day. Be interested only in immediate concerns, without thought for the future. For example, Jean lives from day to day, planning nothing in advance. Also see live for the moment.
See also: to
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.