The term "in-expedient" refers to something that is not advantageous or appropriate. Antonyms, on the other hand, represent words that convey an opposite meaning, including words such as beneficial, advantageous, opportune or fitting. Synonyms for "in-expedient" might include words such as disadvantageous or inappropriate, while antonyms offer a range of diametrically opposed terms that might help to clarify a given concept. When seeking to express a an idea in the positive, it is often useful to turn to antonyms that convey a more affirmative, optimistic or pro-active angle, thus helping to broaden the potential of one's vocabulary and improve the overall impact of one's communication.