Antonyms for the phrase "before appointed time" include "after scheduled time," "late," "behind schedule," and "delayed." These are terms that describe a circumstance in which a person or thing arrives or occurs later than planned or expected. Additionally, antonyms for "before appointed time" may include "early withdrawal," "premature departure," or "premature arrival." These words describe a situation in which a person, activity, or event commences or concludes earlier than intended. It is important to consider antonyms for a word or phrase to better understand its full meaning and to avoid common misunderstandings or miscommunications.