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

Nuclear safety gets stronger The safety architecture retains the defense-in-depth approach used in Hualong One, while 14 safety features have been optimized and nine key safety indicators improved. — Neetika Walter, Interesting Engineering, 9 Sep. 2026

Simmons reportedly visited Sacramento last week, undergoing a battery of in-depth medical exams, an on-court workout, and meetings with coach Doug Christie and other members of the organization. — Jason Anderson, Sacbee.com, 9 Sep. 2026

Not long after news first emerged three years ago that Alex Gibney had begun work on an in-depth study of Elon Musk, the uber-tech bro went on the defensive on his social media platform, Twitter. — David Rooney, HollywoodReporter, 8 Sep. 2026

See this article for a more in-depth description of the legal issues in the dispute. — Jon Brodkin, ArsTechnica, 8 Sep. 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