Ostracise is a term used to describe the act of excluding someone from a group or society. This can be done in various ways, such as shunning (4 letters), blackballing (9 letters), excluding (7 letters), banishing (6 letters), exiling (5 letters), refusing (6 letters), rejecting (6 letters), expelling (5 letters) or condemning (7 letters). All of these terms refer to the same concept of ostracism, which is the exclusion of an individual from a group or society.