deep dive

noun

plural deep dives
: an exhaustive investigation, study, or analysis of a question or topic
Researchers … have taken a deep dive into the seismic activity that has shaken the Permian Basin in recent years.—Midland (Texas) Reporter-Telegram
After discovering that his late father was a war hero, a son takes a deep dive into World War II and the terrors of the Nazi regime.—Kirkus Reviews
What begins as a deep dive into the business practices of multilevel marketing and direct sales companies … becomes something larger, and even more rage-inducing: a story about the enviable perks of being rich and well connected in America.—Pete Keeley
Yet a deep dive into the far reaches of Instagram reveals that a golden age of tattoos has arrived …—Monica Kim

Examples of deep dive 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.
The doc is a deep dive on the Constitution’s 14th Amendment and the fight over birthright citizenship, featuring archival photographs that are brought to life with the help of AI. — Kirsten Chuba, HollywoodReporter, 26 Oct. 2026 Abrams focuses on 18th and 19th century headstones in remote yet picturesque graveyards in Vermont, and her viewers are drawn to her deep dives into the past that also touch on the dark nature of death and spirits. — Kimberlee Kruesi, Fortune, 22 Oct. 2026 To get closer to their answer, the team combined their analysis with a deep dive through history. — Chelsea Gohd, Space.com, 22 Oct. 2026 Others are posting deep dives comparing the books with their on-screen counterparts, fueling discussion over what Hollywood gets right — and wrong. — Kayla Hayempour, NBC news, 16 Oct. 2026 See All Example Sentences for deep dive

Word History

First Known Use

1986, in the meaning defined above

Time Traveler
The first known use of deep dive was in 1986

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Cite this Entry

“Deep dive.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep%20dive. Accessed 27 Oct. 2026.

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