The phrase "is in contact" refers to the act of touching or communicating with another object or person. Some synonyms that can be used instead of "is in contact" include "is touching", "is connected", "is in communication with", "is communicating with", "is in conversation with", "is engaging with", "is in dialogue with", "is in interaction with", "is in direct communication with", "is having contact with", "is linked to", and "is in touch with". These synonyms can be used interchangeably depending on the context and the message that the speaker or writer wants to convey.