This is any unwanted behaviour that makes someone feel intimidated, degraded, humiliated or offended. It is not necessarily always obvious or apparent to others. Bullying or harassment can be between two individuals or it may involve groups of people. It might be obvious or it might be insidious. It may be persistent or an isolated incident. It can also occur in written communications, by phone or through email, not just face-to-face. For more information, visit the ACAS website.