There are several synonyms for "place in quarantine". Some of the most common include isolation, quarantine, confinement, segregation, and seclusion. In all of these cases, the idea is to keep someone separated from others in order to prevent the spread of illness or disease. When someone is placed in isolation, they are separated from others entirely. Quarantine is similar, but it is usually used to refer to a specific period of time during which someone must be kept away from others. Confinement, segregation, and seclusion are all similar to isolation, but they can be used in a broader sense to describe any instance in which someone is forced to stay apart from others.