significant other

noun

1. Sociology.,  a person, as a parent or peer, who has great influence on one's behavior and self-esteem.

2. a spouse or cohabiting lover. SO, S.O.

significant other

noun

1. informal,  a spouse or lover

Example Sentences

"For people that are family, or a significant other, I didn't want to have to take my contacts out and then look different."

From Salon

But as the streaming wars took off, password sharing between significant others and parents and their adult children became rampant.

From Los Angeles Times

Today, each one can legally marry their significant others.

From Los Angeles Times

They also discussed it being “freeing” when they finally rid themselves of their cheating significant others.

From Los Angeles Times

I will never not stop to watch a video of someone filming their friend or significant other reaching the George O’Malley episode for the first time.

From Los Angeles Times