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

Casselberry’s police station off busy U.S. Highway 17-92 is a leaky, outdated building with an air-conditioning system that runs poorly and little space for the department’s 68 employees, according to city officials. Martin E. Comas,, "Casselberry moves forward with relocating police station, which carries $7M price tag," 3 July 2018 Now Tabascans can at least endure the humidity with fans and air-conditioning. The Economist, "How Andrés Manuel López Obrador will remake Mexico," 23 June 2018 In August, most locals retreat to air-conditioning or spend the day in a swimming pool. Anne Roderique-jones, SELF, "The Woes of Training for a Marathon in New Orleans’ Summer Heat," 30 Aug. 2018 Isabella was allowed inside to visit her daughter while her boyfriend and the others waited in Ms. Muñoz’s S.U.V. The vehicle idled with the air-conditioning blasting in the South Texas summer sun. New York Times, "‘It’s Like Each Day Is a Year’: A Migrant Mother’s Wait for a Reunion," 13 July 2018 In response, the air-conditioning industry says cooling chemicals constitute a small fraction of the cost of new equipment and that, like with flat-screen televisions, that expense is falling over time. Dino Grandoni, Washington Post, "The Energy 202: Republicans can't agree on this climate deal brokered by Obama," 12 July 2018 Air-conditioning, cold foods and hot showers will return. Jessica Suriano, azcentral, "Phoenix monsoon storms: Best things to do when the power goes out," 10 July 2018 Ramona Library Assistant Manager Manuela Castillo said all ages are welcome to enjoy their cool zone with air-conditioning. Julie Gallant, Ramona Sentinel, "Doors open to people who want to beat the heat," 7 July 2018 When Hollyhock Hill opened in 1928, television, sliced white bread and air-conditioning in offices were brand new. Liz Biro, Indianapolis Star, "Hollyhock Hill restaurant is selling fried chicken dinners for $1.50," 7 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

13 Dec 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).


living or existing for a long time

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