Akademik

hot air
noun
1. air that has been heated and tends to rise
Hypernyms: ↑air
2. loud and confused and empty talk
-

mere rhetoric

Syn: ↑palaver, ↑empty words, ↑empty talk, ↑rhetoric
Derivationally related forms: ↑palaver (for: ↑palaver)
Hypernyms: ↑nonsense, ↑bunk, ↑nonsensicality, ↑meaninglessness, ↑hokum

Useful english dictionary. 2012.