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

Members of parliament received in-depth security briefings in Canberra on Wednesday as the Australian Federal Police (AFP) commissioner pointed to rising reports of harassment and threats against federal parliamentarians. — Hilary Whiteman, CNN Money, 21 Oct. 2026

To grow food on Mars, scientists first need to have an in-depth understanding of the different kinds of soil found on the planet. — Rupendra Brahambhatt, Interesting Engineering, 17 Oct. 2026

Unlimited access to in-depth reporting, expert analysis, and the stories that shape our country. — Molly Parks, The Washington Examiner, 16 Oct. 2026

Later in the interview, Hanson and I had an in-depth, respectful debate about—wait for it—the Historical Jesus. — Bobby Burack Outkick, FOXNews.com, 15 Oct. 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