1. pompous or pretentious, especially in speech or manner
Usage: informal; sometimes spelled ‘highfalutin’

Examples

• The professor’s hifalutin vocabulary made his lectures hard to follow.
• She dropped her hifalutin accent when talking to old friends.
• The restaurant’s hifalutin menu descriptions didn’t match the simple food.
• His hifalutin ideas about art impressed no one at the gallery.
• The politician’s hifalutin speeches failed to connect with voters.
• Don’t use such hifalutin language when explaining it to children.