This research paper mainly focuses on the paramount use of dictionary in enriching the knowledge of both teachers and students, in view of the fact that language determines one’s status in a professional body. “Jack of all trades master of none” is a famous saying, but “master of glossaries can be jack of all trades”, because it is proved by many researchers and CEOs of MNCs. Dictionary has the most important place in the present scenario, as communication makes one’s mind up to the status. The chief aim of the probe is to ensure the tremendous significance of referring to a dictionary to purify one’s language. After completing a degree a graduate can be a teacher but it is to be understood that a post graduate must be a master in one’s subject to be able to explain it in a detailed, acceptable, standard language provided of course there is appropriate use of vocabulary using a standard dictionary. Key Words: Parts of speech, Reference, Usages, Affixes, Collocations, and Phonemes.