As adjectives the difference between ostentatious and opulent
is that ostentatious is of ostentation while opulent is luxuriant, and ostentatiously magnificent.
ostentatious
English
Adjective
(
en adjective)
Of ostentation.
Intended to attract notice.
Of tawdry display; kitsch.
Synonyms
* (tawdry)
Derived terms
* ostensible
* ostensive
References
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opulent
English
Adjective
(
en adjective)
Luxuriant, and ostentatiously magnificent.
Rich, sumptuous and extravagant.