The word "hyphenated" refers to a compound word that is connected by a hyphen (-). It is used to combine two or more words together to create a new word or a phrase. Full definition
I enjoy Flower of Scotland, but... The «black British» point and the absence of «black English» from public discourse is not intended as a demand for hyphenated identities or any official categorisation, though I can see how it could be read as that. (nextleft.org)
Trivia question: what was the last episode of Hyphenates in which everyone was in the same room for the recording? (hellisforhyphenates.com)
Haney points out that many people get married, or they start using hyphenated names. (bestratesin.com)