noun. ['ˌɔstɛnˈteɪʃən'] pretentious or showy or vulgar display.
noun. ['ˌɔstɛnˈteɪʃən'] lack of elegance as a consequence of being pompous and puffed up with vanity.
noun. ['ˌɔstɛnˈteɪʃən'] a gaudy outward display.