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Noun: hot air  hót ehr
  1. [informal] Insincere or vague talk with empty promises etc. that is supposed to impress
    "mere hot air";
    - empty words, empty talk, rhetoric, bluster
     
  2. Air that has been heated and tends to rise

Type of: air, bunk [informal], hokum [informal], meaninglessness, nonsense, nonsensicality

Encyclopedia: Hot air

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hostile expedition
hostile fire
hostile takeover
hostile witness
hostilely
hostilities
hostility
hostler
hot
hot air
hot and bothered
hot button
hot cake
hot cereal
hot chocolate
hot cross bun
hot dog
hot flash
hot flush
hot issue