The phrase "was through with" implies a sense of completion or finality. Some synonyms for this phrase include "finished with," "done with," "over with," "had enough of," and "ceased." Each of these phrases indicates a sense of closure or conclusion, whether it be in a relationship or a task. Other alternatives might include "ended," "resolved," "terminated," "wrapped up," or "closed." Regardless of the words used, the intention behind them is to convey a sense of finality and bring an end to a particular situation. Whether referring to a past experience or announcing one's plans, the phrase "was through with" allows speakers to express their definitive stance on a subject.