Final answer:
A tragedy in English literature is a story that revolves around a noble protagonist's downfall caused by a tragic flaw or external circumstances.
Step-by-step explanation:
A story idea that best fits the traditional definition of tragedy in English literature is one that involves a noble or high-ranking protagonist who experiences a downfall due to a tragic flaw or a combination of external circumstances. This protagonist often exhibits a sense of hubris or excessive pride, which leads to their tragic downfall. An example of such a tragedy is William Shakespeare's play 'Macbeth,' where the protagonist's ambition and his wife's influence lead to their demise.
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