noun

high-sounding language with little meaning, used to impress people.

the bombast of gung-ho militarism

bluster,pomposity,ranting,rant,nonsense,empty talk,humbug,wind,blather,blether,claptrap,turgidity,verbosity,verbiage,periphrasis,euphuism,fustian,pretentiousness,affectedness,ostentation,grandiloquence,magniloquence,hot air,bunkum,guff,bosh,braggadocio,rodomontade