in-depth

American  

[in-depth] / ˈɪnˈdɛpθ /

adjective

1. extensive, thorough, or profound.

   an in-depth analysis of the problem.

2. well-balanced or fully developed.

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in-depth British  

adjective

1. carefully worked out, detailed and thorough

   an in-depth study

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in depth Idioms  

1. Profoundly, thoroughly, as in It will take years to cover the entire subject in depth. [Mid-1900s]

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Etymology

Origin of in-depth

First recorded in 1960–65

Example Sentences

Researchers at the University of Birmingham carried out in-depth interviews with pupils, parents and teachers across seven secondary schools to understand how more, or less, restrictive mobile phone policies shape young people's wellbeing.

From BBC

"There's some data showing that early life stress may be linked to gut disorders, but we wanted to take an in-depth look at the mechanisms and how these gut-brain pathways work."

From Science Daily

Yet passing a final vote was always likely to be a tall order, with several parliamentarians backing the bill at stage one not because they supported the law, but because they thought it was an issue that ought to be debated in-depth.

From BBC

"The point of what I was saying after the game, it wasn't about the huddle. It was about my perspective on certain decisions made in the game. It would be great to meet them and have an in-depth conversation with them," he added.

From BBC

Target has also invested in a “synthetic audience,” a growing trend in market research, comprised of digital profiles built from in-depth interviews with real people.

From The Wall Street Journal

Related Words

• comprehensive
• detailed
• exhaustive
• extensive
• thorough