When referring to a large percentage or number of something, the phrase "in majority" can be replaced with several synonyms, including "most of," "the greater part of," "nearly all," "predominantly," and "the bulk of." These alternative expressions help to avoid repetition in written and spoken language. Depending on the context, other phrases such as "for the most part," "in large measure," or "mainly" may also be used to convey the idea of a significant majority. Whether writing a research paper, a news article, or a speech, choosing the right synonym for "in majority" can help to add fluency and clarity to communication.