plunge in

verb

plunged in; plunging in; plunges in
1
: to push (something) into something quickly and forcefully
The nurse grabbed his arm and plunged the needle in.
2
: to start doing something with enthusiasm and energy
It was a big project, so we all just had to plunge in and get started.

Examples of plunge in in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Jim Cramer said Thursday's market is all about the rotation out of software and into hardware following a 17% post-earnings plunge in ServiceNow shares. Natasha Abellard, CNBC, 23 Apr. 2026 Rather than elements raining out as minerals in stately succession because of gradual cooling, the rapid plunge in temperature would outpace chemical reaction rates in the disk. Javier Barbuzano, Scientific American, 22 Apr. 2026 Europe confronts energy crunch The plunge in oil and natural gas supply caused by the Iran war, which has already hit Asia hard, is steadily moving west. Hanna Ziady, CNN Money, 22 Apr. 2026 Alibaba spent 123 billion yuan ($17 billion) on capital expenditure in 2025, which helped contribute to a 66% plunge in net income. Nicholas Gordon, Fortune, 12 Apr. 2026 See All Example Sentences for plunge in

Browse Nearby Words

Cite this Entry

“Plunge in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plunge%20in. Accessed 28 Apr. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster