There are a variety of synonyms for the term "verbal expression," all of which can be used to describe the act of expressing oneself through spoken language. Some alternative phrases might include "verbal communication," "spoken word," "oral discourse," "verbal utterance," or "spoken language." Other related phrases might include "voice communication," "spoken interaction," or "speech act." All of these phrases highlight the importance of the spoken word in human communication, and can be used to describe a range of different styles and contexts for verbal expression, from formal public speeches to casual conversations between friends and colleagues.