tasteful having or showing or conforming to good taste
inelegant lacking in refinement or grace or good taste
pretentious making claim to or creating an appearance of (often undeserved) importance or distinction; "a pretentious country house"; "a pretentious fraud"; "a pretentious scholarly edition"
brummagem cheap and showy; "a cheap Brummagem imitation"
camp,
campy providing sophisticated amusement by virtue of having artificially (and vulgarly) mannered or banal or sentimental qualities; "they played up the silliness of their roles for camp effect"; "campy Hollywood musicals of the 1940's"