Definition of "plummetted" []

• Simple past tense and past participle of plummet. (verb)

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• "Other concerns that have been voiced have to do with insurance and wether passengers will be covered when riding: back in 1926, the Heredia-San José train saw one of the worst train accidents in Costa Rica's history when the a packed train plummetted from the bridge over the Virilla River and more than 300 people died."
• "Reagan got to negotiate with Gorbachev while oil prices plummetted."
• "I had a lovely post-book week, reading, taking in the autumn colours, watching movies and even had a massage but then the post book euphoria plummetted and I crashed with it."