dégringoler betyder på engelska

plummet [plummeted, plummeting, plummets]▼◼◼◼(to drop swiftly, in a direct manner; to fall quickly)
verb
[UK: ˈplʌ.mɪt] [US: ˈplʌ.mət]

tumble [tumbled, tumbling, tumbles]▼◼◼◼(to fall end over end)
verb
[UK: ˈtʌm.bl̩] [US: ˈtʌm.bl̩]The stock market tumbled. = La bourse a dégringolé.

tank [tanked, tanking, tanks]▼◼◻◻(to fail or fall)
verb
[UK: tæŋk] [US: ˈtæŋk]

bucket down▼(rain heavily)
verb