Oxford English Dictionary Online


The Oxford English Dictionary (OED) is widely acknowledged to be the most authoritative and comprehensive record of the English language in the world, tracing the evolution and use of more than 600,000 words through 3 million quotations. OED Online gives you not only the latest text of the full Oxford English Dictionary, but also the Historical Thesaurus of the OED, and new ways to explore the English language.

  • See how English evolves: search for new words by year, decade, or any date range.
  • Set language in context: search by place, language type, and date to discover the impact of world events.
  • What can language tell us about attitudes and opinions? With the Historical Thesaurus see how the language expresses any concept over time.