soulmate
noun
soul·mate ˈsōl-ˌmāt 
variants or soul mate
plural soulmates or soul mates
1
: a person who is perfectly suited to another in temperament
2
: a person who strongly resembles another in attitudes or beliefs
ideological soulmates
Example Sentences
a husband and wife who are perfect soul mates They are ideological soul mates.
Recent Examples on the Web Indeed, happy fairy-tale endings abound, with each in the cast of 10, in the end, coupled, possibly even with their soul mate. 
Janine Parker, BostonGlobe.com, 14 July 2022 Instead of a soul mate, a twin flame is actually where a soul has ascended into a high enough level that it can be split into two different bodies at the same time. Sabrina Park, Harper's BAZAAR, 26 Aug. 2022 Instead of a soul mate, a twin flame is actually where a soul has ascended into a high enough level that it can be split into two different bodies at the same time. ELLE, 21 Aug. 2022 Instead of a soul mate, a twin flame is actually where a soul has ascended into a high enough level that it can be split into two different bodies at the same time. Arielle Tschinkel, Peoplemag, 18 Aug. 2022 After their breakup, she is given a session with an exclusive celebrity astrologer, who tells her that her soul mate was born in Paris on Nov. 2, 1968 — just like Philippe. Becky Meloan, Washington Post, 16 July 2022 Her husband Don Conover, who Tomasello called her soul mate, died in June of 2020. Myrna Petlicki, Chicago Tribune, 2 June 2022 Yet no amount of compulsive litigation can explain how your soul mate wound up such an inscrutable mystery. New York Times, 14 Mar. 2022 Instead of a soul mate, a twin flame is actually where a soul has ascended into a high enough level that it can be split into two different bodies at the same time. Nicholas Rice, PEOPLE.com, 16 May 2022 See More
Janine Parker, BostonGlobe.com, 14 July 2022 Instead of a soul mate, a twin flame is actually where a soul has ascended into a high enough level that it can be split into two different bodies at the same time. Sabrina Park, Harper's BAZAAR, 26 Aug. 2022 Instead of a soul mate, a twin flame is actually where a soul has ascended into a high enough level that it can be split into two different bodies at the same time. ELLE, 21 Aug. 2022 Instead of a soul mate, a twin flame is actually where a soul has ascended into a high enough level that it can be split into two different bodies at the same time. Arielle Tschinkel, Peoplemag, 18 Aug. 2022 After their breakup, she is given a session with an exclusive celebrity astrologer, who tells her that her soul mate was born in Paris on Nov. 2, 1968 — just like Philippe. Becky Meloan, Washington Post, 16 July 2022 Her husband Don Conover, who Tomasello called her soul mate, died in June of 2020. Myrna Petlicki, Chicago Tribune, 2 June 2022 Yet no amount of compulsive litigation can explain how your soul mate wound up such an inscrutable mystery. New York Times, 14 Mar. 2022 Instead of a soul mate, a twin flame is actually where a soul has ascended into a high enough level that it can be split into two different bodies at the same time. Nicholas Rice, PEOPLE.com, 16 May 2022 See More Word History
First Known Use
1822, in the meaning defined at sense 1