relaxationPronunciation: /riːlakˈseɪʃ(ə)n/Translate relaxation | into French | into German | into Italian | into Spanish Definition of relaxation noun [mass noun] 1the state of being free from tension and anxiety: I guided my patient into a state of hypnotic relaxation recreation or rest, especially after a period of work:his favourite form of relaxation was reading detective novels the loss of tension in a part of the body, especially in a muscle when it ceases to contract. 2the action of making a rule or restriction less strict:relaxation of censorship rules 3 Physics the restoration of equilibrium following disturbance. relaxation in other Oxford dictionaries Definition of relaxation in the US English dictionary