highfalutin
adjective /ˌhaɪfəˈluːtɪn/
/ˌhaɪfəˈluːtɪn/
(informal)- trying to be serious or important, but in a way that often appears silly and unnecessary synonym pretentious
- highfalutin language
Word Originmid 19th cent. (originally US): perhaps from high + fluting (present participle of flute).