deep dive

noun

plural deep dives

: an exhaustive investigation, study, or analysis of a question or topic

A deep dive into 2018 congressional transcripts found that female representatives spent more than twice as much time on health care in their speeches as male legislators did.

—Mattie Kahn

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

Call Cramer: 1-800-743-CNBC Want to take a deep dive into Cramer’s world? —Julie Coleman, CNBC, 11 Dec. 2024

The firm’s latest deep dive into the SVoD world found that subscription streaming revenues are expected to grow almost three times faster than subscribers over the next five years. —Max Goldbart, Deadline, 9 Dec. 2024

The book provides deep dives into what happened in the Washington scene each decade from 1980 through 2020, showing how the political interests of certain players trumped what was best for the planet. —Anna Broughel, Forbes, 7 Dec. 2024

So, other than the crime scene analysis, what goes on forensically, what recovered shell casings and live rounds and things like that [there are] in every homicide – not just this one – there is a deep dive into the victim. —Brie Stimson, Fox News, 7 Dec. 2024

Word History

First Known Use

1986, in the meaning defined above