Using a learner's dictionary for the first time can be daunting, but the Cambridge Essential English Dictionary makes that first step easier for learners with short definitions that are easy to understand, and lots of example sentences to put the language into context. Using a learner's dictionary for the first time can be daunting, but the Cambridge Essential English Dictionary makes that first step easier for learners with short definitions that are easy to understand, and lots of example sentences to put the language into context.