Semi weekly is a term used to describe something that occurs twice a week. However, there are several synonyms for this term, and they include "bi-weekly," "fortnightly," and "semi-monthly." Bi-weekly indicates that something happens every two weeks, whereas "fortnightly" is used mainly in British English to describe something that occurs every two weeks. "Semi-monthly" is more commonly used to describe something that takes place twice a month. Other synonyms for "semi-weekly" include "twice a week," "two times a week," and "every other day." Regardless of the term used, it is essential to know its meaning to avoid confusion and communicate more effectively.