Both Uses

ostentatious
in
Pride and Prejudice
(Auto-generated)

But to be candid without ostentation or design—to take the good of everybody's character and make it still better, and say nothing of the bad—belongs to you alone.†
p. 17.1

ostentation = actions intended to attract notice and impress others
They were then, with no other delay than his pointing out the neatness of the entrance, taken into the house; and as soon as they were in the parlour, he welcomed them a second time, with ostentatious formality to his humble abode,
p. 153.9 *

ostentatious = intended to impress others

Definitions:

(1) (ostentatious)
intended to attract notice and impress others -- especially with wealth in a vulgar way
(2) (meaning too rare to warrant focus)