[rej-uh-muh n, -men, rezh-]
See more synonyms for regimen on
  1. Medicine/Medical. a regulated course, as of diet, exercise, or manner of living, intended to preserve or restore health or to attain some result.
  2. regime(defs 1, 2).
  3. Grammar. government(def 9).

Origin of regimen

1350–1400; Middle English < Latin: rule, government, guidance, equivalent to reg(ere) to rule + -i- -i- + -men, noun suffix of result
Can be confusedregime regimen regiment Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for regimen


  1. Also called: regime a systematic way of life or course of therapy, often including exercise and a recommended diet
  2. administration or rule

Word Origin for regimen

C14: from Latin: guidance
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for regimen

c.1400, medical, "course of diet, exercise, etc. for sake of health;" mid-15c., "act of governing," from Old French regimen (14c.), from Latin regimen "rule, guidance, government, means of guidance, rudder," from regere "to rule" (see regal).

Online Etymology Dictionary, © 2010 Douglas Harper

regimen in Medicine


[rĕjə-mən, -mĕn′]
  1. A regulated system, as of diet, therapy, or exercise, intended to promote health or achieve another beneficial effect.
  2. A course of intense physical training.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.