significant other 
noun
A person with whom someone has an established romantic or sexual relationship: Ron and his latest significant other are having me over for dinner...
- Stoke your tender feelings and take your significant other for a romantic evening that you'll recall fondly in your dotage.
- Bring a significant other for a romantic weekend getaway.
- Perhaps you want to show your significant other how much your relationship means to you.
- gynaeceum
- gynaeco-
- gynaecocracy
- gynaecologic
- gynaecological
- gynaecologically
- gynaecologist
- gynaecology
- gynaecomastia
- gynaecophobia
- gynandromorph
- gynandromorphic
- gynandromorphy
- gynandrous
- gynarchy
- gyneco-
- gynecocracy
- gynecoid
- gynecol.
- gynecological
- gynecologist
- rose-a-ruby
- roseate
- roseate cockatoo
- roseate spoonbill