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English definition of “fitness”

fitness

noun [U]     /ˈfɪtnəs/
HEALTHY B1 the condition of being physically strong and healthy : physical fitness Exercising and trainingFit and healthy
SUITABLE the quality of being suitable for a particular purpose , job , course of study , etc : The purpose of the exercise is to judge a soldier's fitness for combat .Suitable and acceptableQuite good, or not very good
(Definition of fitness noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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