bluster

/ˈblʌstər/
noun
  1. Loud, aggressive, or boastful talk that is not backed by action.
    • Behind all the bluster, he was actually quite nervous.
    • His bluster fooled no one in the meeting.
    • The CEO's bluster couldn't hide the company's poor performance.
  2. A strong, noisy wind or storm.
    • The bluster of the gale kept us awake.
    • We could hear the bluster of the wind outside the cabin.
    • The bluster died down by morning, leaving a calm sea.
Antonyms
verb
  1. To speak in a loud, aggressive, or threatening way, often with little effect.
    • He blustered at the waiter, but the manager calmly handled the situation.
    • Stop blustering and tell us what you actually want.
    • The politician blustered about the opposition but offered no real solutions.
  2. (of wind or weather) to blow fiercely or noisily.
    • A storm blustered across the coast, shaking the windows.
    • The autumn wind blustered, scattering leaves across the yard.
    • The wind blustered through the trees all night.
Antonyms
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