Definition of bombast

< bombardon

Bombay >

bom·bast    (bmbst) KEY 

NOUN:

Grandiloquent, pompous speech or writing.

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ETYMOLOGY:
Alteration of obsolete bombace, cotton padding, from Old French, from Medieval Latin bombax, bombac-, cotton ; see bombazine

OTHER FORMS:
bombaster(Noun), bom·bastic(Adjective), bom·basti·cal·ly(Adverb)