Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun hot_air

2 senses of hot air

Sense 1
hot air -- (air that has been heated and tends to rise)
       => air -- (a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need some fresh air")

Sense 2
palaver, hot air, empty words, empty talk, rhetoric -- (loud and confused and empty talk; "mere rhetoric")
       => nonsense, bunk, nonsensicality, meaninglessness, hokum -- (a message that seems to convey no meaning)