hot air
The term "hot air" can refer to both literal heated air and metaphorically to empty, exaggerated talk.
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Definition
B2General
(idiomatic, informal)Empty, exaggerated, or pretentious talk lacking real value or meaning.
Example
- His promises were just a lot of hot air.
- The politician's speech was full of hot air and no concrete plans.
B1Science
(literal)Air that has been heated, often used to lift hot-air balloons.
Example
- Hot air rises, causing the balloon to ascend.
Similar
Terms that have similar or relatively close meanings to "hot air":
hot and highair levelair venthot waterair outhot topdead airin the airair pressureair quoteair cellair shedhot refuelheat uphot stuffhydrogen airair holeair rightsrun hothot fusion