Answer:
Significant others, is the right answer.
Step-by-step explanation:
The term Significant other is used to describe a person's partner in a private relationship without exposing or considering anything about the status of marriage, relationship or sexual orientation. Soulmate, domestic partner, better half etc. are the other terms used for the term Significant other. This term was first employed by Harry Stack Sullivan, a psychiatrist, in the year 1953.