Home Page Image




Liens utiles

Notes de cours



Keep in touch



[How to choose the right dictionary] > version française

Dictionaries are essential tools when you learn a language. There are plenty of them from traditional paper bilingual dictionaries to more sophisticated and digitized ones. They can provide you with translations or definitions, standard language or more specialized vocabulary. The objective of what follows is to help you find your way through the plethora of on-line tools and pick up the one that suits you most.



This is my favourite on-line translating dictionary. It is user-friendly, responsive and can be acessed from any platform. Read more ...

An app is also available for your portable devices.


Interglot is an independent online translation dictionary located in the Netherlands. It offers multiple language combinations: Dutch, English, German, Franch, Spanish and Swedish. It is a valuable alternative to WordReference.

An app is also available for your tablet, phablet or smartphone.

Inter Active Terminology for Europe

IATE is the EU inter-institutional terminology database. It has been used in the EU institutions and agencies since summer 2004 for the collection, dissemination and shared management of EU-specific terminology.




Linguee is a translation tool that combines an editorial dictionary and a search engine with which you can search through millions of bilingual texts for words and expressions.


The Oxford Advanced Learner’s Dictionary

The new Oxford Advanced Learner's Dictionary 8th edition gives students more help and more support than any other advanced learner's dictionary.

An app is also available on iOS and Android.


The Oxford Advanced American Dictionary

The Oxford Advanced American Dictionary is a new dictionary created for learners of American English.


Cambridge Dictionaries Online

This site offers a monolingual British and American English dictionary, as well as some bilinguals. Browsing the Thesaurus might help you find synonyms, related words and phrases.




Much more than an on-line dictionary! It offers a web and file viewer where every word becomes clickable. Study tools (wordlists & games) are also available.




Vous avez oublié la signification de VAT. Votre correspondant signe son courriel en employant l'abréviation cu. Acronyma vous aide à en retrouver la signification.




Cette page vous permettra d'accéder à la plupart des dictionnaires anglais en ligne. En outre, grâce à sa fonction OneLook Reverse Dictionary, il vous aidera à compléter vos listes de vocabulaire sur base de la terminaison.





An easy-to-use on-line dictionary.


Urban Dictionary

Its content is sometimes presented in a coarse and direct manner that some may find offensive. It is however a useful tool if you want to keep up with today's English.


An app is also available for your portable devices.


Gartner IT Glossary

The Gartner IT Glossary is your one-stop resource for IT terms and IT definitions, from the world's leading information technology research and advisory company.


Business Dictionary

Over 200,000 business terms thanks to a clear, concise and comprehensive tool. You can browse by subject or by letter.


American-British Dictionary

The colonies & the mother country, America & England, the USA and the UK - however you wish to refer to them - are two countries so close culturally, yet so different in the use of the English language. Anyone contemplating a trip to one of them would be advised to have a look at this dictionary.



Online Etymology Dictionary

For those of you who want to go through the looking-glass and plunge into etymology.



Dictionary of English Idioms & Idiomatic Expressions

An idiom is a phrase where the words together have a meaning that is different from the dictionary definitions of the individual words, which can make idioms hard for learners to understand. This dictionary gives you 3,159 English idiomatic expressions with definitions.


Industry Specific Dictionnaires


  • Computing Dictionaries

    1. Computing Dictionary

    2. ComputerUser High-Tech Dictionary

    3. English-French Dictionary of Common Computing Terms


  • Medical Dictionaries

  1. Medical Dictionary

  2. Medical Dictionaries

  3. English Dictionary of Medical Terms


  •  Legal Dictionaries

  1. Legal Dictionary

  2. Merriam-Webster Dictionary of Law

  3. Law Dictionary


  • Business English

  1. Accounting Glossary

  2. The Electronic Commerce Dictionary



Accounting Advertising Agriculture Anthropology Archeology Architecture Art
Astronomy Automobiles Aviation Beauty Beer Beverages Biography
Biology Botany Business Carpentry •Ceramics Chemistry Children
Chocolate Clothing Coffee Collecting Computing Construction Cooking
Crafts Criminology Crosswords Dance Dentistry Dialects Dinosaurs
e-Commerce Economics Education Elections Electronics Energy Engineering
Entomology Environment Etymology Film Finance Fish Food Industry
Forestry Furniture Gambling Games Genealogy Geography Geology
Golf Grammar History Horology Humor Hunting Idioms
Insurance Internet Investment Jewelry Labor Relations Law Leather
Library Linguistics Liquor Literature Magic Marketing Mathematics
Measures Media Medical Metallurgy Meteorology Military Mining
Multimedia Music Mythology Names Nationalism •Net Lingo Oil & Gas
Paleontology •Paper-making Pharmacy Philosophy Photography Physics Politics
Pools & Spas Printing Professions Psychology Publishing Quotations Railroads
Real Estate Recreation Religion Retailing Rhetoric Robotics Safety
Sailing Science Security Shakespeare Shipping Slang Sociology
Space Sports Statistics Telecom Terrorism Textiles Theater
Tools Trade Transportation Travel Weather Water Wine