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The Collaborative International Dictionary of English
GPL
35M
174222 words
WordNet
GPL
10.7M
149535 words
Moby Thesaurus II
GPL
11M
30259 words
Webster's Revised Unabridged Dictionary (1913)
GPL
28M
160161 words
Elements database
GPL
18K
127 words
Virtual Entity of Relevant Acronyms
GPL
214K
7117 words
Jargon File
GPL
668K
2367 words
Free On-Line Dictionary of Computing
GPL
2.3M
13452 words
Easton's 1897 Bible Dictionary
GPL
1M
3843 words
Hitchcock's Bible Names Dictionary
GPL
57K
2611 words
Bouvier's Law Dictionary
GPL
2.3M
6326 words
THE DEVIL'S DICTIONARY
GPL
176K
986 words
CIA World Factbook 2002
GPL
1.5M
272 words
The CIA World Factbook (1995)
GPL
979K
273 words
U.S. Gazetteer (1990)
GPL
2.2M
52991 words
U.S. Gazetteer Counties
GPL
509K
10223 words
U.S. Gazetteer Places
GPL
2.8M
42620 words
U.S. Gazetteer Zip Code Tabulation Areas
GPL
2.4M
33246 words
Longman Dictionary of Contemporary English
Free to use
6.4M
43052 words
Oxford Advanced Learner's Dictionary
Free to use
4.7M
34153 words
Collins Cobuild English Dictionary
Free to use
5.1M
34097 words
Collins COBUILD Advanced Learner's Dictionary 2006
Free to use
6M
34159 words
Oxford Collocations Dictionary
Free to use
2.7M
8378 words
Merrian Webster 10th dictionary
Free to use
2.5M
20517 words
The Britannica Concise Encyclopedia
Free to use
7M
24402 words
English Thesaurus
Free to use
2.2M
20003 words
CMU American English spelling
GPL
1M
105626 words
The CMU Pronouncing Dictionary
GPL
1.2M
127012 words
English irregular forms
GPL
54K
4690 words
English Etymology
GPL
1.8M
18380 words
Oxford English Collocation Dictionary
Free to use
1.9M
8338 words
eedic
GPL
1.4M
22776 words