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

In an undated letter of support included in the trove of emails, Chomsky said the two had held "many long and often in-depth discussions".

From BBC

Brussels has said the opening of an in-depth investigation does not prejudge its outcome.

From Barron's

But her insurance covered just a basic screening mammogram, so she paid thousands of dollars out of pocket for the in-depth imaging, which includes an ultrasound.

From Slate

A spokesperson for the commission said the regulator will aim to wrap up its in-depth probe into Goldwind by autumn 2027.

From The Wall Street Journal

He has also conducted in-depth interviews with 100 people who have repaired family rifts.

From BBC

Related Words

• comprehensive
• detailed
• exhaustive
• extensive
• thorough