Though often used for unwanted inactivity, 'doldrums' can reflect peaceful rest or a break. The weekend was a welcome doldrums after a hectic week.
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Metaphorical Use
'Doldrums' can symbolize a lack of progress in various contexts, not just personal. The project is in the doldrums and needs a strong push.
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Common Collocations
Frequently used with 'fall into', 'stuck in', or 'get out of' to describe entering or leaving the state. We need to get out of the doldrums and start taking action.