Meaning of the word "hot air" in English

What does "hot air" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

hot air

US /hɑt ɛr/
UK /hɑt ɛr/
"hot air" picture

Noun

1.

empty, exaggerated, or boastful talk

Example:
His promises were just a lot of hot air.
Don't listen to his hot air; he never follows through.
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