Divide off is a phrasal verb which means to separate a part from a whole. There are many synonyms for this verb which can be used based on the context and situation. Some common synonyms include segregate, detach, cleave, sunder, partition, classify, and demarcate. These synonyms can be used in various situations ranging from mathematics to social scenarios where a separation of groups is necessary. It is important to choose the right synonym to convey the intended meaning and avoid ambiguity in communication. Therefore, having a good understanding of the different synonyms for divide off can help in better communication and expressing ideas more precisely.