bluster

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To blow in loud, violent gusts, as the wind during a storm.
2. v. To speak in a loudly arrogant or bullying manner.
3. v. To brag or make loud, empty threats.
4. v. To force or bully with swaggering threats.
5. n. A violent, gusty wind.
6. n. Turbulence or noisy confusion.
7. n. Loud, arrogant speech, often full of empty threats.

Century Dictionary and Cyclopedia

1. To roar and be tumultuous, as wind; blow boisterously: as, the storm blusters without.
2. To be loud, noisy, or swaggering; swagger, as a turbulent or boasting person; utter loud empty menaces or protests.
3. [Only in ME.; perhaps a different word. Cf. LG. blustern, blistern, flutter in alarm.] To wander or run about aimlessly.
4. To compel or force by mere bluster.
5. To utter with bluster, or with noise and violence: generally with out or forth.
6. n. The noise of a storm or of violent wind; a blast; a gust.
7. n. A boisterous blast, or loud tumultuous noise.
8. n. Noisy but empty talk or menace; swagger; boisterous self-assertion.
9. n. Synonyms Turbulence, boasting, bragging, bullying.

Wiktionary

1. n. Pompous, officious talk.
2. n. A gust of wind.
3. n. Fitful noise and violence.
4. v. To speak or protest loudly.
5. v. To blow in strong or sudden gusts.

GNU Webster's 1913

1. v. To blow fitfully with violence and noise, as wind; to be windy and boisterous, as the weather.
2. v. To talk with noisy violence; to swagger, as a turbulent or boasting person; to act in a noisy, tumultuous way; to play the bully; to storm; to rage.
3. v. To utter, or do, with noisy violence; to force by blustering; to bully.
4. n. Fitful noise and violence, as of a storm; violent winds; boisterousness.
5. n. Noisy and violent or threatening talk; noisy and boastful language.

WordNet 3.0

1. n. a swaggering show of courage
2. n. a violent gusty wind
3. v. blow hard; be gusty, as of wind
4. n. vain and empty boasting
5. v. show off
6. v. act in an arrogant, overly self-assured, or conceited manner
7. n. noisy confusion and turbulence