conditioning

noun

con·​di·​tion·​ing kən-ˈdi-sh(ə-)niŋ How to pronounce conditioning (audio)
Synonyms of conditioningnext
1
: the process of training to become physically fit by a regimen of exercise, diet, and rest
also : the resulting state of physical fitness
2
: a simple form of learning involving the formation, strengthening, or weakening of an association between a stimulus and a response

Examples of conditioning in a Sentence

the team's excellent physical conditioning With the proper conditioning, the horse will learn to trust and obey its handler.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
How state prisons don’t have air conditioning. Grethel Aguila, Miami Herald, 15 Feb. 2026 Harder’s opponents include John McBride, a strength and conditioning coach, Jim Shoemaker, a business owner, and Parminder Singh, a commercial real estate analyst. William Melhado, Sacbee.com, 15 Feb. 2026 This is a particular problem for Task-Ambience air conditioning (TAAC) systems. Bojan Stojkovski, Interesting Engineering, 14 Feb. 2026 They're also known to hang out near air conditioning vents on really hot days to at least be a little less hot, including at Arizona State University's science building. ABC News, 13 Feb. 2026 See All Example Sentences for conditioning

Word History

First Known Use

1861, in the meaning defined at sense 1

Time Traveler
The first known use of conditioning was in 1861

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Cite this Entry

“Conditioning.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/conditioning. Accessed 18 Feb. 2026.

Medical Definition

conditioning

noun
con·​di·​tion·​ing kən-ˈdish-(ə-)niŋ How to pronounce conditioning (audio)
1
: the process of training to become physically fit by a regimen of exercise, diet, and rest
Good shoes and proper conditioning are the best bets for avoiding shin splints.Current Health
He also got serious about his physical conditioning with a regimen that includes Pilates, weights and cardio training.Alan Shipnuck, Sports Illustrated
also : the resulting state of physical fitness
Triathletes maintained their aerobic conditioning while developing new skills and strengthening neglected muscles. Marlene Adrian, Shape
2
: a simple form of learning involving the formation, strengthening, or weakening of an association between a stimulus and a response
According to the theory, learning or conditioning is the process by which behavior is systematically and lastingly changed.Harvard Mental Health Letter
… aversive conditioning to tie undesirable actions to unpleasant stimuli and thereby break habits.The New York Times Magazine
see classical conditioning, operant conditioning

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