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Ox­ford Eng­lish Dic­tion­ary

Dictionary of the English language explaining history, meaning and usage. Also known as OED.

The authoritative source on the English language

What is Oxford English Dictionary?

OED is a reliable and trusted source providing information on the meaning, history and pronunciation of words across the English-speaking world. It includes variants from, for example, the United Kingdom, the United States and India, and can be used to explore differences in meaning and usage depending on region.

It is useful if you want to develop your English, find synonyms or clarify the meaning or use of a word. Word meanings and usage are supported with quotations.

Detailed descriptions of words

Each entry includes:

  • Factsheet
  • Etymology – including earliest known usage
  • Meaning and use
  • Pronunciation (with audio)
  • Forms (from Old English onwards)
  • Usage frequency
  • Compounds

Facts

Coverage
500,000 words
3.5 million quotations from across the English-speaking world
Period
Quarterly updates
Access
On campus + remote access
Provider
Oxford University Press