noun
sport
A1
Sport (der) means sport or athletics and is usually uncountable. The genitive is des Sports; to name kinds use die Sportarten. Plural form may be unchanged in general uses. No special preposition requirement. Regular noun, often used without a plural when speaking about the activity.
Examples
Ich mache jeden Tag Sport, um fit zu bleiben.
I do sports every day to stay fit.
Ich treibe gerne Sport, um fit zu bleiben.
I like to do sports to stay fit.
Der Arzt riet, dass die Patienten mehr Sport treiben sollten, damit ihre Gesundheit sich besser entwickelte.
The doctor advised that the patients should do more sport so that their health would improve.
Details
Mnemonics
Picture people running and playing on a field for Sport
identical to English 'sport'
der = imagine a male coach to recall the masculine article
Notes
Sport is usually used as a mass noun (no plural) when referring to physical activity; 'die Sportarten' refers to kinds of sport.