Which of the following features is not normally found in a dictionary entry?

A. antonyms B. examples of usage C. pronunciation D. a definition

The answer is A. antonyms

It is common for dictionaries to have words with their definition and how to pronounce the words and some examples on how to use the words to understand more of their meaning. But antonyms cannot be seen in most dictionaries (although some may have it). It can be seen in thesaurus and online references.