deep web

noun
variants: or less commonly Deep Web

Definition of deep web

: the set of web pages on the World Wide Web that are not indexed by search engines but that may be viewable in a standard Web browser (as by logging in to a website) The deep web is everything that is not indexed by search engines, including pages behind paywalls, password-protected information, or closed intranets. Personal information that only you can access though your bank's website, for example, is part of the deep web.— Eileen Ormsby — compare dark web

First Known Use of deep web

2000, in the meaning defined above

Buying Guide

Our Reviews team has selected the best password managers.

Learn More About deep web

Time Traveler for deep web

Time Traveler

The first known use of deep web was in 2000

See more words from the same year

Dictionary Entries Near deep web

deepwaterman

deep web

deep well

See More Nearby Entries 

Statistics for deep web

Cite this Entry

“Deep web.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/deep%20web. Accessed 10 Aug. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!