1. Occurring on a routine or daily basis: the day-to-day movements of the stock market.
2. Subsisting one day at a time with little regard for the future: lived a day-to-day existence.
3. Sports Of or relating to a player who is on the verge of recovery from an injury that impedes or prevents the ability to play.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.