plus-one
noun
ˈpləs-ˈwən 
: a person who accompanies an invited guest to an event or gathering at which guests are allowed to bring a companion or partner
My husband twice received handsome engraved invitations to presidential dinners. For those events and many others, I was the perpetual plus-one.
Ana Marie Cox
Ana Marie Cox
Word History
First Known Use
1977, in the meaning defined above
- polypetaly
- Polyphaga
- polyphage
- polyphagia
- polyphagias
- polyphagic
- polyphagies
- polyphagism
- polyphagous
- polyphagy
- polyphalangism
- polyphalangy
- polypharmacal
- polypharmacies
- polypharmacon
- polypharmacy
- polypharyngeal
- polypharyngy
- polyphasal
- polyphase
- polyphase induction motor
- polyphaser
- polyphasic
- Polypheme
- polyphemian