# deep dive

idiom

Source: https://englishreference.com/idiom/deep-dive
Updated: 2026-08-10

## Meaning

An in-depth examination or analysis of a topic.

## Examples

- We need a deep dive into these sales numbers.
- The team scheduled a deep dive to understand why the new project is failing.
- The committee conducted a comprehensive deep dive into the historical archives to uncover the truth behind the long-forgotten policy.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.