There are various synonyms to the phrase "is good enough" that you can use in your daily communication. Some of the synonyms for is good enough include: satisfactory, acceptable, sufficient, tolerable, passable, adequate, decent, appropriate, suitable, and fitting. These synonyms indicate that something is satisfactory or meets the required standard. While "is good enough" is a common and casual phrase, it is always better to use a more precise term, particularly in professional settings. Using these synonyms will give a clearer idea of the standard that is being met. So, pick the appropriate synonym and enhance the quality of your communication.