A range of problems, including noisy neighbours, abandoned cars, vandalism, graffiti, litter and youth nuisance

Ranges from dropping litter to serious harassment including racial harassment. Serious perpetrators are small in number but their behaviour has a disproportionate impact on large numbers of ordinary people in a community. (ODPM)

Anti-social behavior (which can be spelled with or without the hyphen) is often seen as public behaviour that lacks judgement and consideration for others and may cause them or their property damage. It may be intentional, as with vandalism or graffiti, or the result of negligence. Persistent anti-social behaviour may be a manifestation of an antisocial personality disorder.