The Yiddish word for pretentious is "feygelekh."
The old man was a very pretentious fellow.
To get pretentious
pretend
pseud
She pretended she's someone else when she saw her ex.She was so pretentious during the party, everyone tried to avoid her.
False
Pretentiously
I would describe it as pretentious gobbledygook.
HelLA - 2014 Pretentious Hollywood 1-4 was released on: USA: 2014
pretentious person
Intellectually or socially pretentious.