Glossaries

Acronyms

- - Acronym Finder

Architecture and 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
  - The Financial Dictionary
  - 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
  - Printing terms
  - Creative Research Terms Glossary by the Advertising Research Foundation
  - Retail terms
  - Glossary of Stock Market Terms (Nasdaq)
  - Valupaedia Valuation Dictionary
  - Venture capital, private equity, and M&A glossary (PitchBook)

Law and Politics

Medicine and Science

- - APA Dictionary of Psychology
  - Aquapedia: Water Education Foundation’s online water encyclopedia
  - Catalog of Bias
  - Complexity Explorer Glossary
  - Medical terms (Merriam Webster)
  - Medical abbreviations (Medicine.Net)
  - Psychology terms (Alleydog)
  - RxList Drug/Medical Dictionary

Slang

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

Technology

Writing

- - The Writer’s Dictionary

English Dictionaries

- - Britishisms
  - Cambridge English Dictionary
  - Oxford Dictionaries
  - Dictionary.com
  - Educalingo, “the dictionary for curious people.” Other languages
  - Etymonline – Online Etymology Dictionary
  - Macmillan Dictionary
  - OneLook
  - Vocabulary.com
  - Webster’s 1913
  - Wordnik
  - Yorkshire Historical Dictionary

Thesauri

Miscellaneous