Synonyms of 'flaunting'
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flamboyant architectural paint effects
If something is gaudy, it is very brightly-coloured and showy.
a gaudy orange-and-purple hat
If you say that someone or something is pretentious, you mean that they try to seem important or significant, but you do not think that they are.
He talked a lot of pretentious twaddle about modern art.
Thesaurus for flaunting from the Collins English Thesaurus