Dictionary

A slothful or stupid person.

Usually preceded by the: a state of apathy or lack of interest; a situation where one feels boredom, ennui, or tedium; a state of listlessness or malaise.

Example: I was in the doldrums yesterday and just didn’t feel inspired.

Usually preceded by the: the state of a sailing ship when it is impeded by calms or light, baffling winds, and is unable to make progress.

(by extension) Usually preceded by the: a part of the ocean near the equator where calms, squalls, and light, baffling winds are common.