(intransitive, US) To speak or discourse at length in a pompous or boastful manner.
His passion when bloviating was furious and terrible to look upon; but there was nothing to it more than sound and pretense.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.