noun, Informal.
empty, exaggerated, or pretentious talk or writing:
His report on the company’s progress was just so much hot air.
(informal) empty and usually boastful talk

noun phrase

Related Terms

full of hot air
Empty, exaggerated talk, as in That last speech of his was pure hot air. It is also put as full of hot air, as in Pay no attention to Howard—he’s full of hot air. This metaphoric term transfers heated air to vaporous talk. [ Late 1800s ]


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