Bombast
BOM'BAST, noun Originally a stuff of soft loose texture, used to swell garments. Hence, high sounding words; an inflated style; fustian; a serious attempt, by strained description, to raise a low or familiar subject beyond its rank, which, instead of being sublime, never fails to be ridiculous.
BOM'BAST, adjective High-sounding; inflated; big without meaning.