Slang words are words that are not in the dictionary.
The old man was a very pretentious fellow.
Yes- they are forms of the same word. Pretentious is the adjective version of the noun pretention-- both are forms of the verb, pretend which means to act as if something is true even if it is not -- to play make believe.
To get pretentious
The word sesquipedalian means to use large words. Another word is verbose. Someone who uses unfamiliar words could be called pretentious.
pseud
pretend
Pleased, pleasing, valiant, impressive, content, dignified, arrogant, self-important, egotistic. pompous, pretentious, vain...
Pretentious means attempting to impress by affecting greater importance, talent, culture, etc., than is actually possessed.Pretentious writing would use big words that the author doesn't really understand, and make long, possibly rambling, statements that try to sound intelligent.
pretty, pretentious, petty, poor, proper, picky, pathetic, pensive, playful, preppy, perfect...
I would describe it as pretentious gobbledygook.
False