1. (noun) loud and confused and empty talk

• empty talk
• empty words
• palaver
• rhetoric

1. (noun) air that has been heated and tends to rise

• air

2. (noun) loud and confused and empty talk

• bunk
• hokum
• meaninglessness
• nonsense
• nonsensicality

1. (noun) loud and confused and empty talk

• blab
• blabber
• chatter
• clack
• gabble
• gibber
• maunder
• palaver
• piffle
• prate
• prattle
• tattle
• tittle-tattle
• twaddle