Which student would best be by using a dictionary? campbell is looking for another way to describe her fat bunny. erin would like to find some antonyms for the word excel. zachary needs to find several synonyms for the word capacity. kyle wants to see the word plummet used in a sentence.

Kyle would be best helped by using a dictionary.

Explanation:

A dictionary could work very effectively for the learners as it provides detailed information (meaning, spelling, etc.) about a particular word. However it is used for several purposes that includes not only looking for the meaning but English translation, pronunciation, synonym, antonym, use of word, etc. also but here it would best assist Kyle as he wants the specific word to be used in a particular sentence which is one of the key features of a dictionary that it illustrates the word by using it within a sentence for better understanding of the readers. The other people (Campbell, Erin, and Zachary) would need some other source to accomplish their needs more effectively.