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English definition of “plummet”

plummet

verb [I] uk   /ˈplʌm.ɪt/ us  
to fall very quickly and suddenly: House prices have plummeted in recent months. Several large rocks were sent plummeting down the mountain. She plummeted to the ground.Moving downwardsFalling and droppingBecoming and making smaller or lessBecoming and making less strong
(Definition of plummet from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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