Background reference sources: Dictionaries

Use dictionaries to better understand words and concepts. Language dictionaries provide word definitions or translate between languages. Subject dictionaries define specialized words in a particular subject area or discipline.


Canadian Oxford Dictionary
The second edition (2004) is the definitive source for Canadian English.

Oxford English Dictionary (OED)
The most authoritative and comprehensive dictionary of the English language.

Merriam-Webster's Dictionary
A reliable and easy-to-use dictionary. Also contains a thesaurus.

Cambridge Dictionaries Online
Multilingual and English dictionaries, including for English language learners.


This is just a small sample of the hundreds of print and online dictionaries available at SFU Libraries. To find more, enter your topic in the search box or try a keyword search for dictionary + your topic in the Library Catalogue.


Sage dictionary of criminology

Cambridge dictionary of psychology

BCS glossary of computing and ICT

Dictionary of food and nutrition