Synonyms and antonyms of A man or woman someone is having a relationship with in British Thesaurus

lover (noun)

the sexual partner of someone who is married to another person

love (noun)

someone who you have a sexual or romantic relationship with

significant other (noun)

the person who you are married to or are having a romantic relationship with. This word is polite because it includes people who are not married, do not live together, or are gay. A more usual word is partner.

old flame (noun)

someone who you had a romantic relationship with in the past

squeeze (noun)

mainly Americaninformal old-fashioned a boyfriend, or a girlfriend

the man/woman in your life ()

your boyfriend, husband, girlfriend, or wife

date (noun)

someone who you have arranged to meet as part of a sexual or romantic relationship

a steady boyfriend/girlfriend ()

someone that you have a romantic relationship with for a long period of time

cohabitee (noun)

a person who lives with and has a sexual relationship with another person