bombast Play nounHigh-sounding language with little meaning, used to impress people. SYNONYMS affectednessblatherbletherblusterboshbraggadociobunkumclaptrapempty talkeuphuismfustiangrandiloquenceguffhot airhumbugmagniloquencenonsenseostentationperiphrasispompositypretentiousnessrantrantingrodomontadeturgidityverbiageverbositywind