regimen
Americannoun
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Medicine/Medical. a regulated course, as of diet, exercise, or manner of living, intended to preserve or restore health or to attain some result.
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Grammar. government.
noun
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Also called: regime. a systematic way of life or course of therapy, often including exercise and a recommended diet
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administration or rule
Etymology
Origin of regimen
1350–1400; Middle English < Latin: rule, government, guidance, equivalent to reg ( ere ) to rule + -i- -i- + -men, noun suffix of result
Explanation
A regimen is a systematic plan for some kind of therapy. If your doctor tells you to eat more vegetables, cut out potato chips, exercise, and take vitamins, she is prescribing a regimen for better health. It's easy to confuse regimen with regime. While both words can refer to an organized plan for diet, exercise, or medical therapy, only regime can refer to a system of government. If you wash your face twice a day, apply medicine to your acne, and use a special lotion, that's your skin-care regimen. But if a country votes out the ruling party in favor of new leaders, that's a new regime.
Vocabulary lists containing regimen
"Diary of a Wimpy Kid" by Jeff Kinney
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"The Book Thief" by Markus Zusak, Part Six
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One of Us Is Lying
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"With sufficient justification, appropriate dosage form, and dosing regimen, creatine may eventually be recognized as an over-the-counter therapeutic agent rather than merely a dietary supplement."
From Science Daily • May 4, 2026
Mexican authorities were quick to repeat earlier assertions that a strict regimen was in place to protect to the matches.
From Los Angeles Times • Apr. 21, 2026
Remarkably, a third of patients who failed to respond to a standard anti-PD-1 regimen went into remission with RP1.
From The Wall Street Journal • Apr. 21, 2026
I spent weeks in the hospital, enduring many of the expected side effects from the chemo regimen.
From The Wall Street Journal • Apr. 19, 2026
To some, such a regimen might seem simplistic or maddening, even schizophrenic.
From "Endgame" by Frank Brady
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
