significant other

US /sɪɡˈnɪf.ɪ.kənt ˈʌð.ər/
UK /sɪɡˈnɪf.ɪ.kənt ˈʌð.ər/
"significant other" picture
1.

partner, druga połówka

a person with whom someone has a long-term, committed relationship, especially one who is not a spouse but is considered a partner in life

:
She introduced him to her significant other at the party.
Przedstawiła go swojemu partnerowi na imprezie.
Many people prefer to use 'significant other' instead of 'boyfriend' or 'girlfriend' to be more inclusive.
Wiele osób woli używać 'znacząca osoba' zamiast 'chłopak' czy 'dziewczyna', aby być bardziej inkluzywnym.