When it comes to expressing that something is sufficient or meets a certain standard, there are several alternatives to using the phrase "are adequate." For example, you could say that something is suitable, satisfactory, acceptable, or satisfactory. Other synonyms for "are adequate" include competent, capable, passable, decent, and satisfactory. Each of these words conveys the idea that something is adequate or up to par without necessarily being exceptional. Ultimately, the choice of which word to use will depend on the context and the tone you want to convey, but knowing a variety of synonyms for "are adequate" can help you communicate more effectively.