in-depth

adjective

(ˈ)in-ˈdepth 

: covering many or all important points of a subject : comprehensive, thorough

an in-depth study

in-depth news coverage

… recently launched a podcast designed to take a more in-depth look at certain topics on his show.

—Jamie Friedlander

compare depth sense 5

Synonyms of in-depth

• comprehensive
• thorough
• extensive
• full
• panoramic

Examples of in-depth in a Sentence

an in-depth report on the issue of violence in popular entertainment

Recent Examples on the Web

The defense-in-depth approach used by Google is known colloquially as the Swiss Cheese model. — Davey Winder, Forbes.com, 12 Aug. 2026

Click here for the full schedule of essays, lists, and in-depth interviews. — Katie Rife, IndieWire, 11 Aug. 2026

One hears the in-depth individual cases of immigrants who are pursuing their claim of asylum. — Rebecca Santana, Los Angeles Times, 10 Aug. 2026

Top Wall Street analysts can help investors pick stocks with attractive long-term prospects as their assessments are backed by in-depth research of a company’s fundamentals and growth opportunities. — CNBC, 9 Aug. 2026

Word History

First Known Use

1957, in the meaning defined above

Rhymes for in-depth

• depth

Kids Definition

in-depth

adjective

(ˌ)in-ˌdepth

: covering many or all important points : thorough

an in-depth investigation