Which dictionary brand launched the famous 'Defining Your World' advertising campaign that featured people looking up unusual words in unexpected situations?

In the world of reference publishing, dictionary brands have engaged in fascinating advertising campaigns to distinguish themselves in a competitive market. These campaigns often highlight unique features, historical significance, or technological innovation to appeal to different segments of language enthusiasts. This trivia question explores one of the most memorable marketing strategies in the dictionary publishing industry.

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Merriam-Webster
Oxford University Press
Collins
Cambridge University Press