It is an adjective.
It means newly developed and unfamiliar.It is used when something newly come into existence or fashion , when something is extremely modern. Mostly used for the things concerning with youth as they prefer more modern things.Not only thing but also used when new ideas flash up.
Synonyms :new, the latest, modern, novel, the newest, ultra-modern, state-of-the act, advanced, contemporary.
newfangledness - noun
Antonyms: old hack,traditional,old, old-fashioned
1)Today's youth have an obsession for newfangled gizmos.
2)My mom buys all these new-fangled machines but never uses them.
3)The newfangled jeans can be seen everywhere in the parties.
4)She had this newfangled notion that had turned everyone's attention to her.