significant other
US /sɪɡˈnɪf.ɪ.kənt ˈʌð.ər/
UK /sɪɡˈnɪf.ɪ.kənt ˈʌð.ər/

1.
pasangan hidup, kekasih
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.
Dia memperkenalkan dia kepada pasangan hidupnya di majlis itu.
•
Many people prefer to use 'significant other' instead of 'boyfriend' or 'girlfriend' to be more inclusive.
Ramai orang lebih suka menggunakan 'pasangan hidup' daripada 'teman lelaki' atau 'teman wanita' untuk menjadi lebih inklusif.