verb
They lost their footing, and both Holmes and Moriarty plunged into the abyss
I plunged my hand in the icy water to retrieve the keys. She plunged herself into her work to try to forget him
noun
After the scandal his career took a plunge from which it never recovered. Every winter they take a plunge into the icy waters of the Serpentine
Are you taking the plunge with an investment in South America?
US