"Manner of expression" refers to the way someone communicates their thoughts and ideas. There are several similar phrases and synonyms that can be used in place of this phrase. Some common examples include "mode of expression," "style of communication," "method of articulation," "tone of delivery," and "way of phrasing." Each of these phrases highlights a different aspect of communication, such as the way someone speaks, the words they choose, or the emotions they convey. When choosing a synonym for "manner of expression," consider the specific aspect of communication you want to emphasize and select a phrase that captures that idea.