A Concise Dictionary of Middle English
From A.D. 1150 to 1580. By A.L. Mayhew and Walter W. Skeat. In plain text, or as a zip file, from Project Gutenberg.
Collins Word Exchange
Dictionary searches a variety of word and phrase resources, including the Collins English Dictionary, texting abbreviations, internet links, and words submitted by users.
Dictionary.net
Comprehensive dictionary database of word and phrase definitions from 8 different sources.
Elizabethan Dictionary
Provides the origins and meanings of Elizabethan words and vocabulary including obscure Shakespearean expressions.
Macmillan English Dictionaries
Resource site for the Macmillan range of dictionaries.
Suggestive Dictionary
An english dictionary which suggests words as you type. Helps explore new words and meanings.
The American Heritage Dictionary of the English Language
Online publication of the 4th edition. Featuring audio word pronunciations, illustrations.
The Jargon Database
A repository of popular neologisms, management speak, and technical terms relevant to various regions, jobs, and cultures, and organized by categories.
Vdictionary.com
Searchable English language dictionary shows results in synonym sets.
Word Sytes
Use this online dictionary to search for definitions in WordNet, Webster's and many other databases.
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