os·ten·ta·tious 
/ˌɑ:stənˈteɪʃəs/ adjective
/ˌɑ:stənˈteɪʃəs/ adjective [more ostentatious; most ostentatious] disapproving : displaying wealth, knowledge, etc., in a way that is meant to attract attention, admiration, or envy
▪ the ostentatious [=very large and expensive] summer homes of the rich ▪ the ostentatious [=pretentious] use of foreign phrases in conversation ▪ an ostentatious display of knowledge
▪ the ostentatious [=very large and expensive] summer homes of the rich ▪ the ostentatious [=pretentious] use of foreign phrases in conversation ▪ an ostentatious display of knowledge
— os·ten·ta·tious·ly adverb
▪ He dresses ostentatiously. ▪ Her ring had an ostentatiously large diamond.
▪ He dresses ostentatiously. ▪ Her ring had an ostentatiously large diamond.
