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.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI