A fork of Rural Dictionary
If your SO is annoying, ungrateful, and overall an useless person, you call them your Insignificant Other.
"My boyfriend does not do any chores. He is my Insignificant Other."
"Shut up Carla, I only said I won't wash your undergarments"
Someone you are casually dating, while seeing others on the side. This person is almost always someone you would never consider dating exclusively, but, you keep around as a backup plan for free Saturday nights.
Maria: Oo, the new guy in Calculus is cute!
Virginia: Wait, I thought you and James were dating?
Maria: No, no, we're just insignificant others.
Sophie: Are you and Brian officially a couple?
Nadia: No, we just hook up occasionally. He's my insignificant other.
Someone you are casually dating, while seeing others on the side. This person is almost always someone you would never consider dating exclusively, but, you keep around as a backup plan for free Saturday nights.
Maria: Oo, the new guy in Calculus is cute!
Virginia: Wait, I thought you and James were dating?
Maria: No, no, we're just insignificant others.
in a personal relationship, a person who is unimportant to one's well-being. (especially a spouse or one in a similar type of relationship)
although they were supposedly in an intimate relationship, marieanne did not seem to warrant being informed of anything mitchell was doing. mitchell wouldn't even give her the common courtesy of letting her know when he was leaving or where he was going, and when he would return much later, he wouldn't greet her, and he would avoid entering any room she was in, sometimes for many hours.
mitchell's behavior made marieanne feel like she was his insignificant other.
how a person refers to their partner when they see them as negligible and unimportant
mitchell had a low opinion of his insignificant other, he assumed the worst about her intentions, even though he was wrong to do so.