con·di·tion·ing | \kən-ˈdi-sh(ə-)niŋ \

Definition of conditioning 

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

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Synonyms for conditioning


activity, exercise, exertion

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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

Notre Dame football is back on campus, the freshman class has officially arrived in South Bend, and strength coach Matt Balis is in the thick of conducting his second summer conditioning program. Laken Litman, Indianapolis Star, "Insider: Projecting Notre Dame football's 2018 depth chart," 29 June 2018 This indicates that traditional on-peak measures, like commercial office building air conditioning programs, may become less valuable while traditional off-peak measures, like street and residential lighting, may increase in value. David Roberts, Vox, "Wind and solar are coming. Grid managers need to get ready.," 18 May 2018 Collins, a starter in each of his first two NFL seasons, suffered the injury during the Cowboys' voluntary offseason conditioning program. Steve Gardner, USA TODAY, "Cowboys' Maliek Collins out with broken foot, but could be ready for opener," 10 May 2018 The Norton Public Library recently embarked on a major construction project to completely replace its oudated heating, ventilation, and air conditioning system. John Laidler,, "Work underway at Norton Public Library," 4 May 2018 The strength and conditioning program at UTSA also helped Davenport gain weight. Josh Katzenstein,, "Saints' Marcus Davenport 'doesn't specialize in just one thing'," 29 Apr. 2018 Jenkins, quarterback Carson Wentz, tight end Zach Ertz and middle linebacker Jordan Hicks spoke with reporters Tuesday at NovaCare, with the Eagles embarking upon their offseason conditioning program. Les Bowen,, "Eagles' Malcolm Jenkins: seems authorities 'are trying to make an example' out of Michael Bennett," 17 Apr. 2018 According to a recent study, 34 percent of athletes who participated in a CrossFit-style conditioning program reported sustaining injuries, of which 35 percent resulted from overexertion and another 20 percent from improper technique. Jay Willis, GQ, "How to Avoid the Most Common Injuries in the Weight Room," 23 Jan. 2018 But Sock, who has struggled with his conditioning throughout his career, has not won a match this year that has extended beyond two sets. Ben Rothenberg, New York Times, "Jack Sock’s Season-Long Struggles Continue at Wimbledon," 3 July 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'conditioning.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of conditioning

1861, in the meaning defined at sense 1

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Last Updated

18 Oct 2018

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The first known use of conditioning was in 1861

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English Language Learners Definition of conditioning

: the process of becoming stronger and healthier by following a regular exercise program and diet

: the act or process of training a person or animal to do something or to behave in a certain way in a particular situation


con·di·tion·ing | \kən-ˈdish-(ə-)niŋ \

Medical Definition of conditioning 

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, November 1982 He also got serious about his physical conditioning with a regimen that includes Pilates, weights and cardio training.— Alan Shipnuck, Sports Illustrated, 9 Sept. 2002 also : the resulting state of physical fitness Triathletes maintained their aerobic conditioning while developing new skills and strengthening neglected muscles. — Marlene Adrian, Shape, September 1991

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, December l990 … aversive conditioning to tie undesirable actions to unpleasant stimuli and thereby break habits.The New York Times Magazine, 26 Oct. 1980 — see classical conditioning, operant conditioning

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Comments on conditioning

What made you want to look up conditioning? Please tell us where you read or heard it (including the quote, if possible).


to reject or criticize sharply

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