Doldrums is defined as a gloomy feeling, low spirits or a time of inactivity.(noun)
An example of doldrums is being stuck in the house during a week long snow storm.
See doldrums in Webster's New World College Dictionary
Origin: < ? ME dul (see dull), after tantrum
See doldrums in American Heritage Dictionary 4
plural noun (used with a sing. or pl. verb)
Origin: From obsolete doldrum, dullard
Origin: , alteration (influenced by tantrum)
Origin: of Middle English dold
Origin: , past participle of dullen, to dull
Origin: , from dul, dull; see dull.
Learn more about doldrums