in-depth

[in-depth]

adjective

1. extensive, thorough, or profound.

   an in-depth analysis of the problem.

2. well-balanced or fully developed.

in-depth

adjective

1. carefully worked out, detailed and thorough

   an in-depth study

Word History and Origins

Origin of in depth¹

First recorded in 1960–65

Idioms and Phrases

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

Example Sentences

Others are more in-depth, telling stories about the time she dressed as a geisha: “They put on ropes that bind you in to put on the back part of the clothing. My ribs were black and blue. It really hurt.”

From Los Angeles Times

Packed with 100 photographs, the book is “an in-depth look into my approach to the journey, built on preparation, growth, creativity, connection, mindfulness, and finding joy in everything along the way,” the sports icon says.

From Los Angeles Times

But in January, he said, he had an in-depth talk with a lieutenant and took a criminal thinking class that made him reassess.

From Los Angeles Times

The investigative staff, which leads the in-depth probes into insurance practices, has shrunk by nearly 40%, according to current and former employees.

From Salon

The Football Interview is a new series in which the biggest names in sport and entertainment join host Kelly Somers for bold and in-depth conversations about the nation's favourite sport.

From BBC

Related Words

• comprehensive 
• detailed 
• exhaustive 
• extensive 
• thorough