Difference between Pompous and Pretentious

POMPOUS vs PRETENTIOUS: ADJECTIVE

Intended to attract notice and impress others
Of a display that is tawdry or vulgar
Claiming that or behaving as if one is important or deserving of merit when such is not the case.
Showing or betraying an attitude of superiority.
Marked by an extravagant or presumptuous outward show; ostentatious: : showy.
Full of pretension; disposed to lay claim to more than is one's; presuming; assuming.
Marked by an unwarranted claim to importance or distinction.
Ostentatious; intended to impress others.
(of a display) tawdry or vulgar
Making claim to or creating an appearance of (often undeserved) importance or distinction

Full of or characterized by pomp or showy display; ostentatiously grand, dignified, or magnificent; splendid; stately: as, a pompous triumph; a pompous procession.
Exhibiting self-importance or an exaggerated sense of dignity; ostentatiously dignified or self-important; lofty: as, a pompous style; pompous in manners.
Synonyms Superb, grand, august, lofty, dignified.—
Magisterial, swelling, inflated, bom bastic, grandiloquent, pretentious. That which gives pompous its distinctive character among these words and the words used in defining it is the idea of the display of magnificence for the sake of enhancing, properly or improperly, the dignity, etc., of the person or thing most concerned. A pompous procession gives dignity to a person thus welcomed to a city; a pompous deportment or manner of speech arises from the feeling of one's own importance and the effort to seem what one thinks himself to be. Pompous is used in a good sense now only when applied to public ceremonies or celebrations or the ways of courts.

Full of pretension, or claims to greater excellence or importance than the truth warrants; attempting to pass for more than the actual worth or importance; making an exaggerated outward show.
Pretended; unfounded; false.

High sounding, High minded, High flown, Emphatic, Grand, Lofty, Stodgy, Turgid, Grandiose, Bombastic, Overblown, Pontifical, Portentous, Grandiloquent, Pretentious

Sesquipedalian, Highfaluting, Tasteless, Parvenu, Portentous, Grandiose, Ostentatious, Kitsch, Sententious, Showy, Hifalutin, Grandiloquent, Highfalutin, Arty, Pompous

High sounding, High minded, High flown, Emphatic, Grand, Lofty, Stodgy, Turgid, Grandiose, Bombastic, Overblown, Pontifical, Portentous, Grandiloquent, Pretentious

Sesquipedalian, Highfaluting, Tasteless, Parvenu, Portentous, Grandiose, Ostentatious, Kitsch, Sententious, Showy, Hifalutin, Grandiloquent, Highfalutin, Arty, Pompous

Hipster paradise and a bit pretentious, overall okay.
Help me stamp out boring, pretentious artist statements!
Characterized by a pretentious, boastful, exaggerated style, bombastic.
Get detailed meaning of pretentious in Hindi language.
I gotta go stop being a pretentious fuck.
Overstated language is wordy, vague, and often pretentious.
Many readers find this diction unnatural or pretentious.
What a silly little emotional and pretentious rant.
Yet every moment feels either pretentious or poky.
Caught between a pretentious, sniffy, student scene, and a pretentious, sniffy and snidey fan scene, even being myself took practice.