1. Pretentiously grand, lofty, or inflated in style or manner; pompous.
Usage: informal; often used disapprovingly

Examples

• He gave a highfalutin speech full of fancy words that nobody understood.
• The restaurant's highfalutin menu made simple dishes sound impossibly complicated.
• She has a highfalutin way of talking that makes her seem snobbish.
• The critic dismissed the novel as highfalutin nonsense.
• His highfalutin ideas about art were not appreciated by the practical townspeople.
• The company's highfalutin marketing campaign promised more than it could deliver.