Final answer:
The denotative meaning of the word 'beat' in the sentence is 'exhausted'.
Step-by-step explanation:
The denotative meaning of the word 'beat' as it is used in the sentence 'After working a double shift, making the long commute, and picking up after the kids, Tommy beat early' is exhausted. In this context, 'beat' means extremely tired or fatigued due to the physical and mental exertion throughout the day. It suggests that Tommy went to bed early because he was worn out from his activities.
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