unadjoined
/ˌʌnædˈdʒaɪnd/Definitions
1. adjective
not joined or connected; separate or unconnected
“The unadjoined branches of the river made it difficult to navigate.”
2. noun
a word or phrase that is not joined to another word or phrase
“In English grammar, an unadjoined word is a word that is not part of a phrase or clause.”