Skip to Main Content

Library Guides

Modern Languages: Dictionaries

General Dictionaries (online via Library Search)

Oxford English Dictionary (OED)

The Oxford English Dictionary (OED) is widely regarded as the accepted authority on the English language. It is a guide to the meaning, history, and pronunciation of 600,000 words— past and present—from across the English-speaking world.


Oxford Language Dictionaries Online

Comprehensive online bilingual dictionaries in a number of world languages, including:










Dictionaries via Credo Reference

Credo Reference contains over 500 online reference books, including mono and bilingual dictionaries.

Collins French Dictionary and Grammar

Collins German Dictionary

Collins Italian Dictionary

Collins Polish Dictionary

Collins Spanish Dictionary

Dictionaries on Specialist Subjects (online via Library Search)

Free Online Dictionaries (via the web)

Free Technical Dictionaries / Glossaries for Translation

Search millions of translated terms and phrases in a collection of glossaries and dictionaries built by and for professional translators. This is a resource for technical words in many fields, including law, medicine, science, business, technology and arts subjects.


IATE is a vast database of terminology applied in official public EU documents, covering many fields and all official EU languages. It includes legal terms and terminology in many other domains as well, including finance, science, agriculture, among others. It covers 25 languages in total and is regularly updated by translators and interpreters.

Wisconsin Court Services Resources for Interpreters

This site lists a number of free legal terminology glossaries in various languages, including Arabic, Chinese, French, German and Spanish.

NCSC Legal Glossaries and Dictionaries

This site lists further free legal terminology glossaries in various languages.


Free Bilingual Arabic Dictionaries

Al-Mawrid Arabic-English Dictionary

Technical Dictionaries for Translation (in print)