Adjective
ostentatious - Characterized by vulgar or pretentious display; designed to impress or attract notice
In an ostentatious display, the socialite walked down the street wearing a fur coat, several gold necklaces, and silk gloves and hoped somebody would notice her.
reprehensible - Describing behavior, actions, or conduct that is morally wrong and worthy of disapproval or condemnation.
Though he told people not to repeat it, it was reprehensible for him to spread rumors about his colleague, knowing it would damage her reputation.