Quarantine/ˈkwɔːrəntiːn/ Definition 1 of 4Pro Tip 1/2Disease Control Quarantine can be a strategy to contain diseases, not a punishment. The doctors recommended quarantine to control the flu outbreak. Pro Tip 2/2Time-specific Quarantine usually has a set time frame based on disease incubation. The quarantine lasts for 14 days, the incubation period of the virus.