Dictionary.com is an online dictionary whose domain was first registered on May 14, 1995.[1] The company was founded by Brian Kariger and Daniel Fierro as part of Lexico Publishing, which also started Thesaurus.com and Reference.com.[2]

In 2008, Dictionary.com was acquired by Ask.com, an IAC company.[2]

Dictionary.com logo
Type of site
Available inEnglish
Created byBrian Kariger
Daniel Fierro
LaunchedMay 14, 1995


The content for Dictionary.com is based on the Random House Unabridged Dictionary, with other content from the Collins English Dictionary, American Heritage Dictionary and others.[3]

Features and apps

On Monday, May 3, 1999, Dictionary.com began its Word of the Day feature.[4]

In April 2009, Dictionary.com offered their first dictionary app in the iOS App Store. Since then, they have released the Android version, as well as a standalone thesaurus app called Thesaurus Rex, along with education apps, Dictionary.com Flashcards, Word Dynamo, and Learning to Read with Zoo Animals.


  1. ^ Dictionary.com WHOIS, DNS, & Domain Info - DomainTools page at DomainTools.com. Retrieved June 16, 2016.
  2. ^ a b "Lexico, Dictionary.com Being Acquired By Ask.com; Price In $100 Million Range". Gigacom. Retrieved 2014-01-24.
  3. ^ "Dictionary.com - About Us". Retrieved October 8, 2015.
  4. ^ "emolument - Word of The Day".

External links

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