C19: from high + -falutin, perhaps variant of fluting, from flute
highfalutin for learners of EnglishPowered by COBUILD (haɪfəluːtɪn)
graded adjective & adjective
People sometimes use highfalutin to describe something that they think is being made to sound complicated or important in order to impress people. [informal, old-fashioned, disapproval] ⇒ This isn't highfalutin art-about-art. It's marvellous and adventurous stuff.
Folks who've made a buck without growing highfalutin and know how to enjoy their money.Laurie Graham MR STARLIGHTYour daddy and your highfalutin ' lawyerbrother ain't gonna be able to protect you.Bill Adler and Mel Watkins WHO KILLED TIFFANY JONES?