hot air

English [edit]

This entry lacks etymological information. If you are familiar with the origin of this term, please add it to the page as described here.

hot air (uncountable)

Air that has been heated, especially so as to function as the lifting agent of a hot-air balloon.

The balloon was equipped with a burner to create hot air for lift.
Empty, confused or exaggerated talk having no meaning or substance.

After the parade, Phil said he was going to enlist in the army, but I could tell it was just hot air, so I didn't worry.

heated air

empty, confused or exaggerated talk