your significant other

significant other

A person with whom one is in a serious romantic relationship. Primarily heard in US. Since Kelly didn't have a significant other, she attended her friend's wedding alone.
See also: other, significant

your significant other

A person's significant other is their wife, husband, or the person they are having a relationship with. Poor Holly, she hadn't any significant other to bring with her. Well, we always work together, we live together — he's my significant other.
See also: other, significant
References in periodicals archive ?
How's this: Turn off the VCR and take your significant other out for the night.
Men will be tested on their knowledge of what women really want for Valentine's Day, by answering, "Which of the following do you think your significant other would want most this Valentines Day?
Have you had conflicts with your significant others because of handball?