I. intransitive verb Etymology: probably imitative Date: circa 1677 1. to fall or sink suddenly, to drop or slide down suddenly ; collapse , to assume a drooping posture or carriage ; slouch , to go into a ~ , II. noun Date: 1887 1. a marked or sustained decline especially in economic activity or prices , a period of poor or losing play by a team or individual , a downward slide of a mass of rock or land
SLUMP
Meaning of SLUMP in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012