plunge in

phrasal 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.
Asia-Pacific markets rose Friday, but tech stocks, such as SoftBank Group and Lasertec, fell after Intel shares plunged in extended trading. Yeo Boon Ping, CNBC, 23 Jan. 2026 When temperatures plunge in Wisconsin, pets left outside face life-threatening risks, including frostbite and hypothermia. Quinn Clark, jsonline.com, 22 Jan. 2026 Iranians had already been suffering before the rial’s plunge in value sparked this uprising. The Week Us, TheWeek, 20 Jan. 2026 Construction of hotels has plunged in the Bay Area, a nosedive that was unleashed by stubborn problems for hotel financing and elevated construction costs, a new report from Atlas Hospitality Group shows. George Avalos, Mercury News, 15 Jan. 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 1 Feb. 2026.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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