Sites Like Dictionary 

- We found 9 similar websites to dictionary.com

Thefreedictionary

Site Tags: dictionary/dictionaries/thesaurus/medical/definition

Yourdictionary

Site Tags: world/dictionary/dictionaries/definition/definitions

Merriam-webster

Site Tags: free/audio/dictionary/dictionaries/thesaurus

Askoxford

For questions on English grammar, spelling, and usage. Search a dictionary of...

Site Tags: dictionary/dictionaries/word/lookup/on-line

Ninjawords

A free searchable on-line dictionary.

Site Tags: free/reference/dictionary/definition/words

Oed

Site Tags: reference/dictionary//english-language/english-dictionary
What we discovered
This site has articles about free as well as about dictionary. Whatsmore it contains great content on definition. Topics from glossary to dict can also be found here. Have you ever heard of diction? They are also related to dictonary.