| 'Strine Decoded: Dictionary of Australian English: Dictionary covers Australian English, including slang, rhyming slang, Aboriginal English, place names, and animals. |
| A Dictionary of Slang Phrases: Every day phrases, idioms, slang words...A 8000-phrases up-to-date idioms and slang-dictionary. |
| A Guide to Irish Slang: From Arse to Maggot here is a full list of common Irish Slang |
| American Slang: Over 280 common American slang expressions sorted alphabetically. |
| American Slanguages: Talk like the locals in cities in America and around the world. The hick to hip translation guide. |
| Australian Slang Dictionary: Collection of Australian slang words. |
| Australian Slang Quiz 1: An Australian slang quiz with lots of quizzes about idioms and whatnot. |
| BuzzWhack: Buzzword-compliant dictionary provides definitions for business buzzwords, slang and jargon. |
| Civil War Slang: A page of a larger History site. Ignore the Angelfire popups. |
| Everyday English and Slang in Ireland: A comprehensive dictionary of Irish Slang with an "optimised for Print" page. Updated frequently. |
| Filters Magazine slang repository: slangin' up a fresh plate o' new words fo' that ace! Skateboarding and pop culture. |
| Internet's Recommended Slang Links: Large collection of links to slang-related dictionary sites for regional varieties of English. There are also links to specialized slang in English and to sites on slang in German and in Scandinavian languages. |
| Larry's Aussie Slang: Indexed slang and phrase dictionary. |
| Neologism Cliche Aphorism and Novel Language Pattern: Extensive list of new sayings, cliches, aphorisms, and neologisms. Has additional pages on related language matters. |
| PseudoDictionary: Covers slang, made up words, "webspeak", colloquialisms. |
| Roger's Profanisaurus: Glossary of sexual slang in English, mostly from Britain. |
| The Alternative English Dictionary: Part of a collection of on-line dictionaries of so-called "bad language". |
| The College Slang Page: Da Bomb: About the College Slang Research project at California State Polytechnic University. Contains glossaries and articles about the use of slang in a college environment. |
| The Online Dictionary of Playground Slang: An indexed dictionary providing many of the colloquialisms and slang words used, past and present, over the English-speaking world. |
| Twists, Slugs and Roscoes: A Glossary of Hardboiled Slang: combination of slang spoken by Philip Marlowe, Sam Spade, Mike Hammer and the Continental Op. When Cagney, Bogart, Robinson and Raft got in a turf war, this is how they talked. |
| Urban Dictionary: The vocabulary of everyday life. |