Individual and Significant other

Individual noun - A member of the human race.

Significant other and individual are semantically related. In some cases you can replace phrase "Significant other" with "Individual", this terms are similar.

Nearby Words: individuality, individualize, individualistic, individually, individualism

Significant other noun - A person (not necessarily a spouse) with whom you cohabit and share a long-term sexual relationship.

Individual and significant other are semantically related. Sometimes you can use "Individual" instead a noun phrase "Significant other".