fitness
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fitness
The state of physical performance and health, often achieved through regular training and a healthy diet.
Sie tut viel für ihre Fitness und geht dreimal pro Woche joggen.
She does a lot for her fitness and goes jogging three times a week.
'Fitness' is a direct loanword from English. This explains its spelling and pronunciation. In German, it is used as a feminine noun with the article 'die'.
Regelmäßiger Sport ist wichtig für die Fitness.
Regular exercise is important for fitness.
The word 'Fitness' (fitness) is used almost exclusively in the singular. A plural form is uncommon because it is an abstract concept.
Meine Fitness hat sich in den letzten Monaten stark verbessert.
My fitness has improved a lot in recent months.
In everyday language, 'Fitness' (fitness) is often used in fixed expressions. Typical examples are 'etwas für die Fitness tun' (to do something for one's fitness), 'seine Fitness trainieren' (to train one's fitness), or 'seine Fitness verbessern' (to improve one's fitness).
Er macht jeden Tag Yoga, um etwas für seine Fitness zu tun.
He does yoga every day to do something for his fitness.
You can recognize the biological meaning of 'Fitness' (fitness) from the context. Words like 'Evolution' (evolution), 'Anpassung' (adaptation), 'Organismus' (organism), or 'Selektion' (selection) clearly point to this technical use.
Die Fitness eines Lebewesens beschreibt seine Fähigkeit, in einer bestimmten Umwelt zu überleben und sich fortzupflanzen.
The fitness of a living organism describes its ability to survive and reproduce in a particular environment.
form / shape
'die Form' and 'die Fitness' can both describe a person's physical condition. 'Fitness' refers quite directly to how physically capable and healthy someone is, often through sport and training. 'Form' is broader: it can also mean someone's general condition, for example whether someone is currently well trained, tired, or performing strongly. In addition, 'Form' has many other meanings, such as the outer shape of an object. The words can be especially easy to confuse in expressions like 'in Form sein' (to be in shape). That is similar to 'fit sein' (to be fit), but 'Fitness' more often names the condition or training as the topic.
Regelmäßiges Schwimmen verbessert die Fitness und macht den Rücken stärker.
Regular swimming improves fitness and makes the back stronger.
Nach der Pause ist die Läuferin wieder in guter Form.
After the break, the runner is in good shape again.