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exhaustive

American  
[ig-zaws-tiv] / ɪgˈzɔs tɪv /

adjective

  1. exhausting a subject, topic, etc.; comprehensive; thorough.

    He published an exhaustive study of Greek vases.

  2. tending to exhaust or drain, as resources or strength.

    a protracted, exhaustive siege of illness.


exhaustive British  
/ ɪɡˈzɔːstɪv /

adjective

  1. comprehensive in scope; thorough

    an exhaustive survey

  2. tending to exhaust

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of exhaustive

First recorded in 1780–90; exhaust + -ive

Explanation

Exhaustive means performed comprehensively and completely. When you recruit a new employee (or spouse), you undertake an exhaustive search for the best talent. When you are exhaustive about something, you are testing all possibilities or considering all elements. If you want to become an attorney you will need an exhaustive knowledge of the leather bound books in the law library. When you exhaust something, you use it up entirely, so something exhaustive is complete. After your exhaustive tour of Rome, you're exhausted.

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Vocabulary lists containing exhaustive

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Another unappreciated aspect of the SpaceX IPO is that over 10,000 employees bought it, said Baker, which, he noted, is a counterpoint to exhaustive analysis of the share-lockup schedule.

From MarketWatch • Jun. 16, 2026

Today, you can find exhaustive lists of Asian martial arts classics that are either sampled on their albums or referenced within their lyrics.

From Salon • May 31, 2026

Colloff’s reporting is, as usual, dogged and exhaustive, and the book reads like a thriller, but never sacrifices the humanity of the people Skalnik hurt.

From Los Angeles Times • May 12, 2026

Despite exhaustive attempts to return items to families, the BBC understands some objects recovered from the funeral parlour remain unclaimed.

From BBC • Apr. 2, 2026

Eventually I would understand that she didn’t mean the list as exhaustive, something complete, in any way the sum of my character or nature.

From "Native Speaker" by Chang-rae Lee

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