Dictionary.com is an online dictionary whose domain was first registered on May 14, 1995. The primary content on Dictionary.com is a proprietary dictionary based on Random House Unabridged Dictionary, with editors for the site providing new and updated definitions. Supplementary content comes from the Collins English Dictionary, American Heritage Dictionary and others. Dictionary.com was founded by Brian Kariger and Daniel Fierro as part of Lexico Publishing, which also started Thesaurus.com and Reference.com. At the time of its launch, it was one of the web's first in-depth reference sites. In July 2008, Lexico Publishing Group, LLC, was acquired by Ask.com, an IAC company, and renamed Dictionary.com, LLC. In 2018, IAC sold Dictionary.com and Thesaurus.com to Rock Holdings. At the time of the sale, Dictionary.com was the 447th most trafficked website in the United States, according to the website tracking service SimilarWeb. In 2015, they estimated that there are 5.5 billion word searches a year on its site. More information...
According to PR-model, dictionary.com is ranked 794th in multilingual Wikipedia, in particular this website is ranked 588th in English Wikipedia.
The website is placed before worldathletics.org and after wmagazine.com in the BestRef global ranking of the most important sources of Wikipedia.
