Dictionnaire de l'Académie française, neuvième édition
Dictionnaire de l'Académie française, huitième édition
Lexique de l'ancien français
Grand Dictionnaire Terminologique (FR-EN)
Dictionnaire Universel Francophone En Ligne
Banque de Données Terminologique du Service de la Langue Française
Glossaire des principaux termes orthographiques, grammaticaux et lexicaux
The Canadian Encyclopedia On-Line (EN- FR)
Encyclopédie & l'Atlas Hachette
Encyclopédie de L'Agora (FR Canadian)
Webencyclo
Dictionnaire des sciences
Le Jargon Français
www.translatio.be (Le premier site gratuit entièrement dédié aux traducteurs francophones belges)
Le vrai BRUSSELER : le parler franc de Bruxelles
 

Espanhol (Castelhano, Galego, Catalão, etc.) • Spanish (Castillian, Gallician, Catalan, etc.)

La Página del Idioma Español
Real Academia Española
BELCA: La página de la lengua castellana - Ortografía y gramática del español
La Enciclopedia
Activa - Diccionario inglés<>español técnico y empresarial
Diccionarios bilingües y monolingües de Anaya
Diccionarios de elmundo.es
Spanish Verb Conjugator
Diccionario de burradas®
Página de ortografía española
O Galego
Pequeno vocabulario galego-inglés-castelán
Gran Diccionari de la Llengua Catalana
Diccionari Català Eixample
The Alternative Catalan Dictionary
Diccionario Aragonés-Castellano
EUSKALTERM Banco Terminológico Público Vasco
Vocabulario (Caló (Gitano)- Español)
Dicionariu de llingua asturiana
Diccionario Latinoamericano
Diccionario Argentino-Español
Diccionarios de variantes del español
Diccionario de Spanglish
Jergas de habla hispana
The Alternative Spanish Dictionary
 

Italiano • Italian

Dizionario d'Italiano - Garzanti Linguistica
De Mauro il dizionario della lingua italiana PARAVIA
SAPERE.it - Dizionari (several languages, including PT-E)
IntraText Digital Library - The missing link between text and hypertext
Dizionari Simone Online
Èulogos.it - Ingegneria della lingua italiana
Vocabolario degli Accademici della Crusca
Dizionario della lingua Italiana dei Segni
Vocabolario dei termini milanesi meno simili all'italiano
Vocabolario Italiano-Genovese
Hazon Garzanti - Dizionario bilingue inglese-italiano, italiano-inglese
Online English to Italian to English Dictionary
Dizionario italiano-giapponese
Dizionario Italiano<>Bulgaro
Italian - Ukrainian Dictionary Online (Il primo e unico dizionario italiano-ucraino online!)
 

Inglês • English

Encyclopædia Britannica
Online English Dictionary from dictionary.net
Merriam-Webster On-Line Dictionary
Webster's Dictionary (1913 Edition)
Cambridge Dictionaries On-Line
The American British - British American Dictionary
Glossary of Grammatical Terms
An Elementary English Grammar Book (English Institute)
Dictionary of English slang and colloquialisms of the UK
Foclóir Eolaíochta (English>Irish Technical Glossary)
American-to-British Dictionary
The American's guide to speaking British
Selected Vocabulary Differences Between British and American English
Dirty Dictionary.com
A dictionary of slang and linguistic news items (EN Br.)
Twists, Slugs and Roscoes: A Glossary of Hardboiled Slang (EN US)
Dictionary of American Regional English (DARE)
Plain Language: Improving Communications from the Federal Government to the Public (Excellent)
Dictionary of Antarctic Slang (English, as She is Spoke at McMurdo and Pole)
English as She is Spoke (Mr. Pedro Carolino, 1883)
English Vocabulary Explained (Better English)
Australian English Glossary from A to Z
Macquarie Dictionary (The Official Australian English Dictionary)
Australian Slang Dictionary
 

Glossary of ESL-Related Abbreviations

Latim • Latin

Nova Vulgata (The Latin Bible)
FORCELLINI - Latin to Italian Vocabulary - Totius LATINITATIS Lexicon
Latin <-> English Dictionary
Latin-English Dictionary Program - WORDS
Dicionário Jurídico de Latim
Dictionnaire latin-français (plus de 32 000 entrées)
Le dictionnaire latin-français d'Estienne
Legal latin expressions (with English translations)
Lexicon Russico-Latinum
Glossarium Gallico-Latinum
Abbreviations in Latin Inscriptions
Glossary of Rhetorical Terms with Examples
Sententiae Latinae - Latin Maxims
The Roman Art of Counting
Römisches Glossar (DE)
The Weather Report in Latin...
RES NOVAE (Who says that Latin is not suitable to the modern world?)
 

Outras Línguas e Linguagens • Other Languages

Dicionário de Língua Gestual (em Português, pois claro...)
Laixicon (DE-EN)
dict.cc: English-German Translation Service (Dictionary)
Translatum - The Greek Translation Vortal (excellent site to visit, even if Greek is not your working language)
LEXICON: Greek-English-Greek Dictionary
Svenska Akademiens ordbok - SAOB (SE)
The Icelandic Word Bank (Icelandic <-> many other languages)
Universal-Fach-Wörterbuch (Deutsch-Englisch)
Portugiesisch Wörterbuch Portugiesisch Deutsch Wörterbuch
English-Russian Dictionary
Latin to Cyrillic alphabet online text converter
English-Turkish Technical Dictionary • Ingilizce-Turkce Teknik Sozluk
English-Estonian Dictionary
Dialectological dictionary of Estonian
Dictionary of Basic Words (Latvian <-> EN)
English-Romanian and Romanian-English Dictionary
Svenska Akademiens ordbok - SAOB
NORWEGIAN-ENGLISH DICTIONARY OF CURRENT ENGLISH SLANG & COLLOQUIALISMS
The Alternative Norwegian Dictionary
Online English to Japanese to English Dictionary
AncientScripts.com (Lawrence Lo's ever-growing masterpiece. Simply outstanding...)
Glossary of Lingua Franca
KAiSEL Alam Bina (EN-Malay-EN)
The Official Bushese Glossary (so that you understand George W. Bush...)
 

Acrónimos e Abreviaturas • Acronyms and Abbreviations

The WorldWideWeb Acronym and Abbreviation Server
Acronym Finder: Look up 220,000+ acronyms/abbreviations & their definitions
Opaui: Acronyms, Abbreviations, Initialisms on the WWW
Acronym Finder - Technical Terms Dictionary
The Ultimate Acronym Tool (UK)
Acronym Finder
Acronym & Abbreviation Meanings -- Business & Technical
Acronyms and Abbreviations
Acronym Finder (US Military)
Abbreviations and Acronyms of the U.S. Government
Canadian Government Abbreviations, Acronyms, and Initialisms
List of Bloody Acronyms (ROFL...)

Livros de Estilo • Style Guides

Livro de Estilo do "Público" (fundamental...)
Livro de Estilo da "SIC"
Código de Redacção Interinstitucional (Serviço das Publicações da União Europeia)
Manual de Estilo de Elaboração de Monografia
Manual de Identidade Gráfica (Portugal Telecom)
Manual de Redação do Estadão
TV Senado - Manual de Redação
A Estação da Propaganda - Manual de Redação
Folha Online - Novo Manual da Redação
Vitória On Line - Manual de Redação
O Correo Gallego - Manual de Estilo
The Elements of Style, William Strunk, Jr. (the one and only...)
The Chicago Manual of Style FAQ
MLA Style Guide (PDF, Concordia University Libraries)
AIP Style Manual (American Institute of Physics)
The Public Radio Ethics and Style Guide (NPR, USA)
Citing Government Information Sources
Introduction to Basic Legal Citation (LII 2002-2003 ed.)
Writer's Handbook (The University of Wisconsin-Madison Writing Center)
English Style Guide (European Commission - Translation Service)
SAJA Stylebook (South Asian Journalists Association)
School of Journalism and Communication Stylebook (The University of Queensland, Australia)
Agricultural Stylebook and Guide for Journalists (Washington State University)
ACU Communication Guide and Stylebook  (Abilene Christian University)
Parliamentary Stylebook • Guide de rédaction parlementaire (Legislative Assembly of New Brunswick, Canada) (PDF)
NLGJA Stylebook Supplement on Gay, Lesbian, Bisexual and Transgender Terminology
Economist Style Guide
Guardian Style Guide
Deutsche Rechtschreibung: Regeln und Wörterverzeichnis
Vademécum de Español Urgente (EFE, Spanish)
Apple Publications Style Guide (PDF)
APA Style
W3C Style (from the creators of the World Wide Web)
Guide to Web Style (Sun Microsystems)
Web Style Guide (Yale Center for Advanced Instructional Media)
ISO 690-2 - Bibliographic references to electronic documents
Bibliographic Formats for Citing Electronic Information
 

Livros e Bibliotecas • Books and Libraries

UNESCO Libraries Portal
UNESCO Thesaurus
Glossary of Library Terms
ABC de bibliophilie
Dictionnaire du livre e de la reliure
Book and Binding Dictionary
A Short Course in Book Anatomy
Le petit glossaire du monde du livre
Glossaire de l'édition d'un livre
Glossaire du livre
Vocabulaire du livre
Glossaire de l'imprimerie
Glossaire de l'édition (Canada)
Bookbinding and the Conservation of Books - A Dictionary of Descriptive Terminology
Library Preservation Glossary
Glossário de Bibliotecas
Glossaire du bibliothécaire
Glossaire et abréviations de bibliophilie
Archival Terminology
Glossary of Book Collecting Terms
Glossary of Common Latin Terms Found in Imprints of Early Printed Books