What does the word ‘shattered’ commonly refer to in terms of emotional state?

The term 'shattered' in reference to an emotional state is often associated with feeling extremely tired or depleted, particularly after a stressful or intense experience. It conveys a sense of having been worn down, both mentally and emotionally, to the point of exhaustion. When someone says they feel shattered, it likely reflects not just physical weariness but also emotional and psychological fatigue, which can occur after facing significant challenges or overwhelming situations.

Considering the other options, 'very happy' suggests a positive emotional state that contrasts starkly with the connotations of being shattered. 'Very angry' denotes a strong, significant emotional reaction that is not aligned with the idea of being shattered, and 'very surprised' implies a sudden emotional reaction that is also distinct from the sense of depletion implied by 'shattered.' Therefore, the choice of 'very tired' is the most appropriate in capturing the essence of the term in this context.