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

This analysis of in-depth interviews with people who reported saving at least one person from this violence – often by hiding someone in their own home – identified several key factors predicting their behavior. —Catherine A. Sanderson, The Conversation, 3 Mar. 2026

Some patients have more in-depth needs, such treating plaque deposits below the gum line. —Beth Lipoff, Kansas City Star, 3 Mar. 2026

Each person fills out an in-depth questionnaire—part oral history, part memory exercise. —Lilah Ramzi, Vogue, 3 Mar. 2026

In a series of news updates and exclusive, in-depth stories, the Idaho Statesman turns a spotlight onto the problems of traffic and transportation as the Boise area's population keeps growing. —Rose Evans updated March 3, Idaho Statesman, 3 Mar. 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