The phrase "foreign to" refers to something that is unfamiliar or not native to a particular place or culture. There are several synonyms that can be used for this word combination, such as "alien to," "strange to," "unfamiliar to," "unaccustomed to," "unknown to," and "exotic to." These words can be used interchangeably to describe anything that is new or strange to a person or group of people. Some examples of things that can be "foreign to" people include different languages, customs, food, art, or music. Being aware of these synonyms can help writers and speakers to vary their language and better convey their message.