Dumps vs. Doldrums

Dumps

a gloomy mental state; same as 2nd dump{1}; - used mostly in the phrase "in the dumps".

Dumpsnoun

an informal expression for a mildly depressed state;

Doldrumsnoun

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.

Doldrumsnoun

(nautical) 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.

Doldrumsnoun

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

Doldrumsnoun

(obsolete) slothful or stupid person

Doldrums

A part of the ocean near the equator, abounding in calms, squalls, and light, baffling winds, which sometimes prevent all progress for weeks; - so called by sailors.

Doldrumsnoun

a state of inactivity (in business or art etc);

Doldrumsnoun

a belt of calms and light winds between the northern and southern trade winds of the Atlantic and Pacific