Glossaries

Acronyms

- - Acronym Finder

Architecture, Construction, Real Estate

- - ASSE Plumbing Dictionary (6th Edition, 202 pages, PDF)
  - Clear Capital Glossary of Real Estate Terms
  - Commercial Real Estate Terms
  - Construction Glossary
  - Curbed Handbook

Art

Business

- - AccountingTools‘ Dictionary of Accounting Topics
  - Bankrate Glossary of financial words and phrases
  - Branding Glossary by How Brands are Built
  - Curious Cat Management Improvement Glossary
  - Financial Conduct Authority (UK) Glossary
  - The Financial Dictionary
  - Financial Jargon – Fincent
  - HR Glossary – Bamboo HR
  - Insuranceopedia Dictionary of Insurance Terms
  - Investopedia
  - Investor.gov U.S. Securities and Exchange Commission (SEC)
  - Jargonism
  - Lloyd’s glossary of insurance related terms
  - Lexicon Terms – Lean Enterprise Institute
  - Clarity Lean Glossary
  - Common Language Marketing Dictionary
  - Wikipedia Glossary of Notaphily (paper money or banknotes)
  - Printing terms
  - Creative Research Terms Glossary by the Advertising Research Foundation
  - Retail terms
  - Securities Institute of America
  - Social Media Glossary
  - Glossary of Stock Market Terms (Nasdaq)
  - Valupaedia Valuation Dictionary
  - Venture capital, private equity, and M&A glossary (PitchBook)

Law and Politics

- - Archives Terminology – Society of American Archivists
  - Contract management glossary – Fynk
  - Cornell Law School
  - FindLaw Legal Dictionary
  - The Glossary of Education Reform
  - ICLR Glossary (Incorporated Council of Law Reporting for England and Wales)
  - Justia Legal Dictionary • legal and business terms
  - Law.com
  - The Law Dictionary
  - Law Insider
  - LSDefine. “A clear and concise resource for decoding legal jargon”
  - Political Dictionary
  - Practical Law Glossary – Thomson Reuters / Westlaw
  - U.K. Parliament glossary
  - U.S. Courts
  - USLegal.com

Medicine and Science

- - APA Dictionary of Psychology
  - Aquapedia: Water Education Foundation’s online water encyclopedia
  - Catalog of Bias
  - Complexity Explorer Glossary
  - HealthCare.gov Glossary (U.S. Dept. of Health & Human Services)
  - Medical terms (Merriam Webster)
  - Medical abbreviations (Medicine.Net)
  - NCI Dictionary of Cancer Terms
  - NCI Dictionary of Genetics Terms
  - NCI Drug Dictionary
  - Psychology terms (Alleydog)
  - RxList Drug/Medical Dictionary
  - Taber’s Medical Dictionary

Regional

- - Britishisms
  - Carleton County Colloquialisms (New Brunswick, Canada)
  - India English Dictionary
  - Dictionaries of the Scots Language
  - Scottish Glossary
  - Yorkshire Historical Dictionary

Slang

- - 19th Century Slang (PDF, compiled by Craig Hadley)
  - Green’s Dictionary of Slang
  - Hillbilly Slang
  - Social Media Glossary (Later)
  - Urban Dictionary
  - Urban Thesaurus

Technology

- - Dictionary of Horology Federation of the Swiss watch industry
  - Tech Terms
  - Techopedia Dictionary
  - What Is

English Dictionaries

- - Cambridge English Dictionary
  - Casual English Dictionary
  - Oxford Dictionaries
  - Dictionary.com
  - Educalingo, “the dictionary for curious people.” Other languages
  - Etymonline – Etymology Dictionary
  - Idiomation (idioms defined by Elyse Bruce)
  - Idioms
  - The Idioms
  - Literary Terms
  - Macmillan Dictionary
  - OneLook
  - Phrase Finder – 2,500 English idioms, phrases and proverbs
  - Vocabulary.com
  - Webster’s 1828
  - Webster’s 1913
  - Wordnik
  - Wordsmyth Comprehensive Dictionary Suite combines Advanced Dictionary, Intermediate Dictionary, and Beginner’s Dictionary.
  - Wordsmyth Kids
  - The Writer’s Dictionary

Thesauri

Word Play

Miscellaneous Jargon

- - Academic Research Glossary (CSUSB)
  - Air Force Vocabulary (National Museum of the U.S. Air Force)
  - Catholic Encyclopedia
  - Drink Stuff Glossary
  - Glossary of Linguistic Terms – SIL Global fka Summer Institute of Linguistics
  - Lumberjack Lingo
  - Restaurant Lingo and Terms
  - Sig Sauer Firearms Glossary